Wikipedia

Alexander Blockx

Alexander Blockx (born 8 April 2005) is a Belgian tennis player. He has a career-high ATP singles ranking of world No. 116, achieved on 18 August 2025 and a doubles ranking of No. 634, achieved on 24 February 2025.[1] He is currently the No. 4 player from Belgium.[2]

Alexander Blockx
Country (sports) Belgium
ResidenceAntwerp
Born (2005-04-08) 8 April 2005 (age 20)
Antwerp, Belgium
Height191 cm (6 ft 3 in)
PlaysRight-handed
CoachPhilippe Cassiers
Prize moneyUS $405,436
Singles
Career record1–8 (at ATP Tour level, Grand Slam level, and in Davis Cup)
Career titles0
Highest rankingNo. 116 (18 August 2025)
Current rankingNo. 116 (18 August 2025)
Grand Slam singles results
Australian OpenQ1 (2024, 2025)
French OpenQ1 (2025)
WimbledonQ3 (2025)
US OpenQ2 (2025)
Doubles
Career record0–2 (at ATP Tour level, Grand Slam level, and in Davis Cup)
Highest rankingNo. 634 (24 February 2025)
Current rankingNo. 639 (28 July 2025)
Team competitions
Davis Cup0–1
Last updated on: 4 August 2025.

Early life

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Blockx has trained since childhood with Philippe Cassiers at his Forest Hills tennis academy in Belgium.[3][4][5] By 2022, he was training at the Topsportcentrum Tennis Vlaanderen in Wilrijk, Antwerp alongside the likes of Tibo Colson, Zizou Bergs and Ruben Bemelmans.[6][7]

Career

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Juniors

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In 2022, Blockx reached the third round and then quarterfinals of the junior events at Wimbledon and the US Open, respectively.[8]

Shortly after the US Open, Blockx and sometimes junior doubles partner Gilles-Arnaud Bailly were invited to train with the Belgium Davis Cup team by captain Johan Van Herck. [citation needed]

He reached a career-high junior ranking of No. 1 in singles and doubles on 1 May 2023[9] after winning the 2023 Australian Open in the boys singles and reaching the final in the boys doubles.[10]

2022: Professional debut

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Blockx made his ATP Tour qualifying debut at his home tournament, the European Open in Antwerp, Belgium, where he was given a wildcard. He lost to Swiss Dominic Stricker in straight sets.[11] He was also given a wildcard into the main draw of the doubles, playing alongside Ruben Bemelmans in what proved to be Bemelmans' last professional match.[12]

2023: Australian Open Junior Champion, ATP and top 500 debuts

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Blockx reached the final at the 2023 Australian Open in both the boys' singles[13][14] and, alongside Brazilian João Fonseca, the boys' doubles, which they lost to Learner Tien and Cooper Williams.[15] Blockx gained revenge over Tien by winning the boys' singles final in three sets. Although Gilles-Arnaud Bailly reached two junior Grand Slam finals in 2022, the last Belgian male to win a junior Major, prior to Blockx, was Kimmer Coppejans at the 2012 French Open. No Belgian male had previously won the boys' singles in Melbourne.[16]

In March 2023, he made his Masters 1000 qualifications debut after receiving a wildcard for the 2023 Miami Open where he lost to Yosuke Watanuki.[17][18]

He received a wildcard for the qualifying competition at the Antwerp Open and qualified into the main draw on his ATP singles debut.[19] In his very first ATP Tour singles main draw match ever in own hometown, he lost to fifth seed Yannick Hanfmann in two close sets.[20] Just a week after his first appearance in the ATP circuit, he won his first ITF title in Glasgow. And a week later, he remained unbeatable, he won his second title in Sunderland.[citation needed] Partly due to his first qualification for an ATP tournament and winning two ITF titles, he entered the top 500 for the first time in his career on 6 November 2023.[21]

2024: Maiden Challenger title, top 250 debut

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Blockx received a wildcard for the qualifying competition at the 2024 Australian Open. He also received a qualifying wildcard for the 2024 Miami Open but lost to Pedro Martinez in the first round. He reached a new career high ranking in the top 300 of No. 294 on 18 March 2024.[21] In November, Blockx won his maiden Challenger title in Kobe, Japan defeating Jurij Rodionov in the final. He became the third youngest Belgian champion in Challenger history (after Libor Pimek and Olivier Rochus). En route to the title, he defeated for the first time a top 100 and home player Taro Daniel. As a result, he rose to No. 205 on 18 November 2024, which gave him a direct entry to Grand Slam qulifying rounds.[22]

2025: Top 120 and Masters debuts, first win

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In January, Blockx won his second Challenger title in Oeiras, Portugal defeating Liam Draxl in the final. He became the youngest Belgian to earn multiple trophies at that level. As a result, he entered the top 150 in the singles rankings on 27 January 2025.[23][24]

Blockx made his Masters main draw debut at the 2025 Miami Open as a qualifier but lost to Corentin Moutet.[25]

In July, Blockx reached his third Challenger final at the Winnipeg Challenger, losing to Liam Draxl in the final.[26][27]

Blockx entered his second Masters 1000 main draw as a qualifier at the National Bank Open in Toronto.[28] He also qualified for the main draw at the Cincinnati Open where he obtained his first ATP Tour win by defeating Marcos Giron in the first round.[29] He lost in the second round to 27th seed Brandon Nakashima.

Performance timeline

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Key
W  F  SF QF #R RR Q# DNQ A NH
(W) winner; (F) finalist; (SF) semifinalist; (QF) quarterfinalist; (#R) rounds 4, 3, 2, 1; (RR) round-robin stage; (Q#) qualification round; (DNQ) did not qualify; (A) absent; (NH) not held; (SR) strike rate (events won / competed); (W–L) win–loss record.
To avoid confusion and double counting, these charts are updated at the conclusion of a tournament or when the player's participation has ended.

Singles

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Tournament 2024 2025 SR W–L Win %
Grand Slam tournaments
Australian Open Q1 Q1 0 / 0 0–0  – 
French Open A Q1 0 / 0 0–0  – 
Wimbledon A Q3 0 / 0 0–0  – 
US Open A Q2 0 / 0 0–0  – 
Masters tournaments
Indian Wells A A 0 / 0 0–0  – 
Miami Q2 1R 0 / 1 0–1 0%
Monte-Carlo Masters A A 0 / 0 0–0  – 
Madrid Open A A 0 / 0 0–0  – 
Italian Open A A 0 / 0 0–0  – 
Canadian Open A 1R 0 / 1 0–1 0%
Cincinnati Masters A 2R 0 / 1 1–1 50%
Shanghai Masters A 0 / 0 0–0  – 
Paris Masters A 0 / 0 0–0  – 
Win–loss 0–0 1–3 0 / 3 1–3 25%

ATP Challenger Tour finals

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Singles: 3 (2 titles, 1 runner-up)

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Legend
ATP Challenger Tour (2–1)
Finals by surface
Hard (2–1)
Clay (0–0)
Result W–L    Date    Tournament Tier Surface Opponent Score
Win 1–0 Nov 2024 Kobe Challenger, Japan Challenger Hard (i)   Jurij Rodionov 6–3, 6–1
Win 2–0 Jan 2025 Oeiras Indoors III, Portugal Challenger Hard (i)   Liam Draxl 7–5, 6–1
Loss 2–1 Jul 2025 Winnipeg Challenger, Canada Challenger Hard   Liam Draxl 6–1, 3–6, 4–6

Doubles: 1 (runner-up)

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Legend
ATP Challenger Tour (0–1)
Result W–L    Date    Tournament Tier Surface Partner Opponents Score
Loss 0–1 Feb 2025 Open Pau–Pyrénées, France Challenger Hard (i)   Raphaël Collignon   Jakob Schnaitter
  Mark Wallner 		4–6, 7–6(7–5), [8–10]

ITF World Tennis Tour finals

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Singles: 4 (2 titles, 2 runner-ups)

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Legend
ITF WTT (2–2)
Result W–L    Date    Tournament Tier Surface Opponent Score
Loss 0–1 Mar 2023 M15 Sharm El Sheikh, Egypt WTT Hard   Saba Purtseladze 3–6, 4–6
Loss 0–2 Sep 2023 M25 Falun, Sweden WTT Hard (i)   Tibo Colson 5–7, 6–4, 3–6
Win 1–2 Oct 2023 M25 Glasgow, United Kingdom WTT Hard (i)   Anton Matusevich 5–7, 6–4, 6–2
Win 2–2 Nov 2023 M25 Sunderland, United Kingdom WTT Hard (i)   Tibo Colson 4–6, 6–2, 6–4

Doubles: 1 (runner-up)

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Legend
ITF WTT (0–1)
Result W–L    Date    Tournament Tier Surface Partner Opponents Score
Loss 0–1 Jun 2023 M25 Arlon, Belgium WTT Clay   Alessio Basile   Gabriel Roveri Sidney
  Vladyslav Orlov 		6–0, 5–7, [5–10]

Junior Grand Slam finals

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Singles: 1 (title)

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Result Year Tournament Surface Opponent Score
Win 2023 Australian Open Hard   Learner Tien 6–1, 2–6, 7–6(11–9)

Doubles: 1 (runner-up)

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Result Year Tournament Surface Partner Opponents Score
Loss 2023 Australian Open Hard   João Fonseca   Learner Tien
  Cooper Williams 		4–6, 4–6

References

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  1. ^ "Alexander Blockx". atp.com.
  2. ^ "Belgium Rankings (Singles)". ATP Tour. Retrieved 30 January 2025.
  3. ^ "Building Blockx: #NextGenATP Belgian's childhood spark fueled 'unbelievable passion'". ATPTour. 19 September 2024.
  4. ^ "Remember the name: Alexander Blockx, 17-year-old Belgian, is in singles and doubles finals at Australian Open". hln.be (in Dutch).
  5. ^ "Open d'Australie : Philippe Cassiers, coach d'Alexander Blockx : "Une super expérience pour lui"". rtbf.be (in French).
  6. ^ D'haene, Bart (16 June 2022). "Christopher Heyman wil na toernooizege in Montenegro ook scoren in Duffel: "Ik heb een duidelijk plan voor ogen"". gva.be (in Dutch). Retrieved 15 October 2023.
  7. ^ Mulders, Johan (30 September 2023). "Gilles-Arnaud Bailly in Italië, Tibo Colson in Zweden: dubbel Limburgs succes op M25-toernooien". hblv.be (in Dutch). Retrieved 15 October 2023.
  8. ^ "Blockx Juniors Activity".
  9. ^ "Alexander Blockx". itftennis.com.
  10. ^ "Alexander Blockx, Alina Korneeva win Australian Open junior titles". ESPN. 28 January 2023.
  11. ^ "Alexander Blockx: the next big promise in Belgian men's tennis". Proximus.be (in Dutch).
  12. ^ "Topweek voor Alexander Blockx op European Open: "Trainen met Auger-Aliassime, dat kan maar één keer per jaar"". hln.be (in Dutch).
  13. ^ "AUSTRALIAN OPEN. Alexander Blockx naar finale juniorentoernooi". Nieuwsblad.be (in Dutch).
  14. ^ "Australian Open: Belgian Alexander Blockx qualifies for the final of the junior table". rtbf.be (in French).
  15. ^ "17-jarige Alexander Blockx staat in halve finales van juniorentoernooi op Australian Open". Sporza.bel (in Dutch). 26 January 2023.
  16. ^ "Juniors wrap: Korneeva wins marathon, Blockx stacks up". ausopen.com.
  17. ^ "Full List of Wild Card Entries Announced For 2023 Miami Open Presented by Itaú". 14 March 2023.
  18. ^ "Miami Open Announces Final Wild Cards".
  19. ^ "BLOCKX, BAILLY AND ONCLIN ONE STEP CLOSER TO MAIN DRAW AFTER WINS". Europeanopen.be. 15 October 2023. Retrieved 29 December 2024.
  20. ^ "THIEM WINS THRILLER, BLOCKX LOSES NARROWLY". 17 October 2023. Retrieved 29 December 2024.
  21. ^ a b "AB Rankings".
  22. ^ "#NextGenATP Blockx & Quinn claim first Challenger titles; Boyer etches his name in American history". ATPTour. 19 November 2024.
  23. ^ @TennisBelgium (26 January 2025). "Second challenger title for Alexander Blockx in Oeiras! He beats Liam Draxl 7-5, 6-1 in the final without facing a break point. Into the top 150 on Monday! 💪👏⬆️" (Tweet) – via Twitter.
  24. ^ "#NextGenATP Blockx banks Belgian history with Challenger title". 27 January 2025.
  25. ^ "Cina, 17, captures first tour-level win in Miami; Blockx, Sakamoto fall in ATP Masters 1000 debuts". 20 March 2025.
  26. ^ "Draxl Claims Winnipeg National Bank Challenger Title". tennistourtalk.com. Retrieved 14 July 2025.
  27. ^ "Former college standouts Pinnington Jones, Draxl win Challenger titles". atptour.com. Retrieved 14 July 2025.
  28. ^ "Masters 1000 Toronto : 3e défaite de rang pour David Goffin, Alexander Blockx également sorti au 1er tour". 28 July 2025.
  29. ^ "À 20 ans, Alexander Blockx signe sa première victoire sur le circuit ATP et file au 2e tour du Masters 1000 de Cincinnati". 8 August 2025.
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