Christopher OConnell - ATP #77 (2025-08-04)
| atpworldtour.com | ATP | Country |  Australia |
| Wikipedia | Eng / Fr | Birth | 1994-06-03 - age 31 |
| Career best ranking | 53 - 2023-09-11 - age 29 (+3 M) | Résidence |  Unknown |
| Height | 183 cm | ||
| Weight | 78 kg |
| Conditions | W | D | ratio |
|---|---|---|---|
| Hard (out.) | 14 | 16 | 46.67% |
| Grass | 0 | 4 | 0.00% |
| Clay | 3 | 9 | 25.00% |
| Hard (in.) | 2 | 2 | 50.00% |
| TOTAL | 19 | 31 | 38.00% |
| # | Date | Categ | Tournament | Conditions | Round | #Rank | Opponent | Score | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025-07-27 | 1000 |  Rogers Cup - Canada | Hard (out.) | 16e | #75 | #13 Alex De Minaur | w/o | |
| 2 | 2025-07-27 | 1000 | Rogers Cup - Canada | Hard (out.) | 32e | #75 |  #26 Stefanos Tsitsipas | 6/4 4/6 6/2 | |
| 3 | 2025-07-27 | 1000 | Rogers Cup - Canada | Hard (out.) | 64e | #75 | #10000 Chun Hsin Tseng | 6/1 6/2 | |
| 4 | 2025-07-21 | 500 |  Washington Open | Hard (out.) | 32e | #75 | #84 Ethan Quinn | 6/3 6/2 | |
| 5 | 2025-06-30 | GS |  Wimbledon | Grass | 64e | #76 |  #122 Adrian Mannarino | 6/2 6/4 6/3 | |
| 6 | 2025-06-16 | 500 | Tournoi du Queen's | Grass | 16e | #78 |  #9 Holger Rune | 6/3 6/4 | |
| 7 | 2025-06-09 | 250 |  's-Hertogenbosch | Grass | 16e | #82 | #130 Adrian Mannarino | 6/1 6/3 | |
| 8 | 2025-05-25 | GS | Roland Garros | Clay | 64e | #80 | #22 Ugo Humbert | 7/5 6/3 7/6(3) | |
| 9 | 2025-05-07 | 1000 |  Masters de Rome | Clay | 64e | #85 | #93 Cameron Norrie | 6/3 6/2 | |
| 10 | 2025-04-21 | 1000 |  Masters de Madrid | Clay | 32e | #85 | #4 Taylor Fritz | 6/1 6/4 | |
| 11 | 2025-04-21 | 1000 | Masters de Madrid | Clay | 64e | #85 |  #58 Camilo Ugo Carabelli | 6/3 6/4 | |
| 12 | 2025-04-14 | 500 |  Munich Open | Clay | 16e | #85 | #57 Luciano Darderi | 7/6(3) 7/6(3) | |
| 13 | 2025-03-31 | 250 |  Open de Roumanie | Clay | QF | #86 |  #92 Marton Fucsovics | 6/0 6/4 | |
| 14 | 2025-03-31 | 250 | Open de Roumanie | Clay | 8e | #86 |  #57 Nicolas Jarry | 6/2 5/7 7/6(5) | |
| 15 | 2025-03-31 | 250 | Open de Roumanie | Clay | 16e | #86 |  #108 Dusan Lajovic | 6/4 6/3 | |
| 16 | 2025-03-19 | 1000 | Miami Masters | Hard (out.) | 64e | #86 | #51 Roberto Carballes Baena | 6/3 3/6 7/6(5) | |
| 17 | 2025-03-03 | 1000 | Indian Wells Masters | Hard (out.) | 32e | #75 | #30 Matteo Berrettini | 6/2 7/6(2) | |
| 18 | 2025-03-03 | 1000 | Indian Wells Masters | Hard (out.) | 64e | #75 | #51 Roberto Carballes Baena | 6/3 0/6 6/1 | |
| 19 | 2025-02-24 | 500 |  Dubai Open | Hard (out.) | 8e | #79 | #32 Matteo Berrettini | 7/6(2) 6/2 | |
| 20 | 2025-02-24 | 500 | Dubai Open | Hard (out.) | 16e | #79 |  #15 Grigor Dimitrov | 6/0 ret. | |
| 21 | 2025-02-17 | 500 |  Doha Open | Hard (out.) | 8e | #79 | #15 Jack Draper | 6/2 6/1 | |
| 22 | 2025-02-17 | 500 | Doha Open | Hard (out.) | 16e | #79 |  #163 Hady Habib | 7/6(7) 7/6(3) | |
| 23 | 2025-01-12 | GS | Australian Open | Hard (out.) | 64e | #65 | #12 Tommy Paul | 6/2 3/6 6/1 6/7(5) 7/5 | |
| 24 | 2025-01-06 | 250 | Adelaide International 1 | Hard (out.) | 8e | #65 | #54 Miomir Kecmanovic | 7/6(1) 6/2 | |
| 25 | 2025-01-06 | 250 | Adelaide International 1 | Hard (out.) | 16e | #65 | #59 Arthur Rinderknech | 7/5 7/6(5) | |
| 26 | 2024-11-04 | 250 | Belgrade Open Hard | Hard (in.) | QF | #70 | #76 Denis Shapovalov | 6/2 6/2 | |
| 27 | 2024-11-04 | 250 | Belgrade Open Hard | Hard (in.) | 8e | #70 | #93 Daniel Altmaier | 6/3 6/1 | |
| 28 | 2024-11-04 | 250 | Belgrade Open Hard | Hard (in.) | 16e | #70 | #53 Miomir Kecmanovic | 6/1 6/1 | |
| 29 | 2024-10-28 | 1000 | Masters de Paris-Bercy | Hard (in.) | 32e | #70 |  #23 Karen Khachanov | 6/4 3/6 7/6(6) | |
| 30 | 2024-09-30 | 1000 |  Shanghai Masters | Hard (out.) | 64e | #79 | #44 Matteo Berrettini | 7/6(9) 7/6(6) | |
| 31 | 2024-09-25 | 500 |  Japan Open | Hard (out.) | 8e | #79 | #48 Alex Michelsen | 6/1 6/4 | |
| 32 | 2024-09-25 | 500 | Japan Open | Hard (out.) | 16e | #79 | #35 Tomas Martin Etcheverry | 6/4 7/6(5) | |
| 33 | 2024-09-18 | 250 | Chengdu Open | Hard (out.) | 8e | #87 | #19 Lorenzo Musetti | 6/7(5) 6/4 7/6(4) | |
| 34 | 2024-09-18 | 250 | Chengdu Open | Hard (out.) | 16e | #87 | #61 Pavel Kotov | 6/4 7/5 | |
| 35 | 2024-08-26 | GS | US Open | Hard (out.) | 16e | #86 | #1 Jannik Sinner | 6/1 6/4 6/2 | |
| 36 | 2024-08-26 | GS | US Open | Hard (out.) | 32e | #86 | #102 Mattia Bellucci | 6/3 6/4 3/6 6/3 | |
| 37 | 2024-08-26 | GS | US Open | Hard (out.) | 64e | #86 | #26 Nicolas Jarry | 6/4 6/3 4/6 6/3 | |
| 38 | 2024-08-19 | 250 | Winston-Salem Open | Hard (out.) | 16e | #84 | #65 Arthur Rinderknech | 6/3 6/4 | |
| 39 | 2024-08-19 | 250 | Winston-Salem Open | Hard (out.) | 32e | #84 | #512 Strong Kirchheimer | 7/5 6/4 | |
| 40 | 2024-07-22 | 250 | Atlanta Open | Hard (out.) | 16e | #75 | #92 Max Purcell | 4/6 7/5 6/2 | |
| 41 | 2024-07-01 | GS | Wimbledon | Grass | 64e | #75 | #12 Taylor Fritz | 6/1 6/2 6/4 | |
| 42 | 2024-05-08 | 1000 | Masters de Rome | Clay | 64e | #61 | #65 Roberto Carballes Baena | 6/7(0) 5/0 ret. | |
| 43 | 2024-04-22 | 1000 | Masters de Madrid | Clay | 64e | #61 | #35 Matteo Arnaldi | 6/4 6/1 | |
| 44 | 2024-04-15 | 250 | Munich Open | Clay | 16e | #59 | #82 Taro Daniel | 6/3 6/4 | |
| 45 | 2024-04-08 | 1000 |  Monte-Carlo Masters | Clay | 32e | #59 | #45 Alejandro Tabilo | 6/3 6/4 | |
| 46 | 2024-03-20 | 1000 | Miami Masters | Hard (out.) | 8e | #63 | #3 Jannik Sinner | 6/4 6/3 | |
| 47 | 2024-03-20 | 1000 | Miami Masters | Hard (out.) | 16e | #63 | #197 Martin Damm | 7/6(5) 7/6(5) | |
| 48 | 2024-03-20 | 1000 | Miami Masters | Hard (out.) | 32e | #63 | #21 Frances Tiafoe | 7/5 7/6(5) | |
| 49 | 2024-03-20 | 1000 | Miami Masters | Hard (out.) | 64e | #63 |  #122 Vit Kopriva | 6/3 6/2 | |
| 50 | 2024-03-06 | 1000 | Indian Wells Masters | Hard (out.) | 32e | #64 | #6 Alexander Zverev | 6/4 6/4 |
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