Match log updated: 2026-08-30 07:15 UTC
Christopher O'Connell — ATP Match Log
Main draw matches: 164 | W: 65 | L: 99 | Win %: 39.6%
| Opponent | Score | Result | H2H | Match Data | Date ↑ | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|---|
| Marton Fucsovics | 0-6 4-6 | L | H2H | Match data | Apr 5, 2025* | QF | Tiriac Open | ATP 250 | Clay |
| Chun-Hsin Tseng | 3-6 2-6 | L | H2H | Match data | Apr 14, 2025* | Q1 | Munich Open | ATP 500 | Clay |
| Luciano Darderi | 6-7(3) 6-7(3) | L | H2H | Match data | Apr 17, 2025* | R32 | Munich Open | ATP 500 | Clay |
| Camilo Ugo Carabelli | 6-3 6-4 | W | H2H | Match data | Apr 25, 2025* | R128 | Madrid Open | Masters 1000 | Clay |
| Taylor Fritz | 1-6 4-6 | L | H2H | Match data | Apr 26, 2025* | R64 | Madrid Open | Masters 1000 | Clay |
| Cameron Norrie | 3-6 2-6 | L | H2H | Match data | May 9, 2025* | R128 | Italian Open | Masters 1000 | Clay |
| Elias Ymer | 2-6 6-3 4-6 | L | H2H | Match data | May 18, 2025* | Q1 | Hamburg Open | ATP 500 | Clay |
| Ugo Humbert | 5-7 3-6 6-7(3) | L | H2H | Match data | May 27, 2025* | R128 | Roland Garros | Grand Slam | Clay |
| Adrian Mannarino | 1-6 3-6 | L | H2H | Match data | Jun 12, 2025* | R32 | Libéma Open | ATP 250 | Grass |
| James Duckworth | 7-6(4) 6-0 | W | H2H | Match data | Jun 16, 2025* | Q1 | Queen's Club Championships | ATP 500 | Grass |
| Alex Bolt | 6-3 6-7(4) 3-6 | L | H2H | Match data | Jun 16, 2025* | Q2 | Queen's Club Championships | ATP 500 | Grass |
| Holger Rune | 3-6 4-6 | L | H2H | Match data | Jun 19, 2025* | R32 | Queen's Club Championships | ATP 500 | Grass |
| Johannus Monday | 3-6 6-2 4-6 | L | H2H | Match data | Jun 23, 2025* | Q1 | Eastbourne Open | ATP 250 | Grass |
| Adrian Mannarino | 2-6 4-6 3-6 | L | H2H | Match data | Jul 2, 2025* | R128 | Wimbledon | Grand Slam | Grass |
| Ethan Quinn | 3-6 2-6 | L | H2H | Match data | Jul 23, 2025* | R64 | Washington Open | ATP 500 | Hard |
| Chun-Hsin Tseng | 6-1 6-2 | W | H2H | Match data | Jul 29, 2025* | R128 | Canadian Open | Masters 1000 | Hard |
| Stefanos Tsitsipas | 6-4 4-6 6-2 | W | H2H | Match data | Jul 30, 2025* | R64 | Canadian Open | Masters 1000 | Hard |
| Alex de Minaur | (w/o) | L | H2H | Match data | Aug 1, 2025* | R32 | Canadian Open | Masters 1000 | Hard |
| Roman Safiullin | 6-3 6-3 | W | H2H | Match data | Aug 19, 2025* | R64 | Winston-Salem Open | ATP 250 | Hard |
| Roberto Bautista Agut | 4-6 | L | H2H | Match data | Aug 20, 2025* | R32 | Winston-Salem Open | ATP 250 | Hard |
| Alex de Minaur | 3-6 4-6 4-6 | L | H2H | Match data | Aug 26, 2025* | R128 | US Open | Grand Slam | Hard |
| Quentin Halys | 6-7(3) 6-3 6-4 | W | H2H | Match data | Sep 20, 2025* | R32 | Chengdu Open | ATP 250 | Hard |
| Yi Zhou | 6-2 6-4 | W | H2H | Match data | Sep 21, 2025* | R16 | Chengdu Open | ATP 250 | Hard |
| Alejandro Tabilo | 6-4 5-7 2-6 | L | H2H | Match data | Sep 22, 2025* | QF | Chengdu Open | ATP 250 | Hard |
| Botic van de Zandschulp | 2-6 2-6 | L | H2H | Match data | Sep 25, 2025* | Q1 | China Open | ATP 500 | Hard |
| Damir Dzumhur | 6-2 6-4 | W | H2H | Match data | Oct 3, 2025* | R128 | Shanghai Masters | Masters 1000 | Hard |
| Denis Shapovalov | 3-6 2-6 | L | H2H | Match data | Oct 4, 2025* | R64 | Shanghai Masters | Masters 1000 | Hard |
| Nikoloz Basilashvili | 6-2 6-3 | W | H2H | Match data | Jan 4, 2026* | Q1 | Brisbane International | ATP 250 | Hard |
| Dane Sweeny | 7-6(4) 3-6 4-6 | L | H2H | Match data | Jan 4, 2026* | Q2 | Brisbane International | ATP 250 | Hard |
| Jacob Fearnley | 6-7(4) 6-7(4) | L | H2H | Match data | Jan 10, 2026 | Q1 | Adelaide International | ATP 250 | Hard |
| Nishesh Basavareddy | 6-4 6-7(7) 7-6(3) 2-6 3-6 | L | H2H | Match data | Jan 20, 2026 | R128 | Australian Open | Grand Slam | Hard |
| Roberto Bautista Agut | 7-5 3-6 5-7 | L | H2H | Match data | Feb 2, 2026 | R32 | Montpellier Open | ATP 250 | Hard |
| Vitaliy Sachko | 6-3 7-5 | W | H2H | Match data | Feb 7, 2026 | Q1 | ABN AMRO Open | ATP 500 | Hard |
| Hugo Gaston | 6-2 6-3 | W | H2H | Match data | Feb 8, 2026 | Q2 | ABN AMRO Open | ATP 500 | Hard |
| Valentin Royer | 6-4 4-6 7-6(4) | W | H2H | Match data | Feb 9, 2026 | R32 | ABN AMRO Open | ATP 500 | Hard |
| Cameron Norrie | 7-6(9) 6-4 | W | H2H | Match data | Feb 11, 2026 | R16 | ABN AMRO Open | ATP 500 | Hard |
| Ugo Humbert | 4-6 1-6 | L | H2H | Match data | Feb 13, 2026 | QF | ABN AMRO Open | ATP 500 | Hard |
| Quentin Halys | 3-6 4-6 | L | H2H | Match data | Feb 21, 2026 | Q1 | Dubai Tennis Championships | ATP 500 | Hard |
| Billy Harris | 6-4 6-3 | W | H2H | Match data | Mar 2, 2026 | Q1 | Indian Wells Open | Masters 1000 | Hard |
| Nikoloz Basilashvili | 6-4 6-4 | W | H2H | Match data | Mar 3, 2026 | Q2 | Indian Wells Open | Masters 1000 | Hard |
| Marton Fucsovics | 5-7 3-6 | L | H2H | Match data | Mar 4, 2026 | R128 | Indian Wells Open | Masters 1000 | Hard |
| Nicolas Mejia | 7-6(4) 6-3 | W | H2H | Match data | Mar 16, 2026 | Q1 | Miami Open | Masters 1000 | Hard |
| Alexander Blockx | 4-6 6-4 6-4 | W | H2H | Match data | Mar 17, 2026 | Q2 | Miami Open | Masters 1000 | Hard |
| Marton Fucsovics | 6-7(6) 3-6 | L | H2H | Match data | Mar 20, 2026 | R128 | Miami Open | Masters 1000 | Hard |
| Mariano Navone | 4-6 6-7(8) | L | H2H | Match data | Mar 31, 2026 | R32 | Tiriac Open | ATP 250 | Clay |
| Dino Prizmic | 6-7(9) 7-6(5) 6-7(3) | L | H2H | Match data | Apr 20, 2026 | Q1 | Madrid Open | Masters 1000 | Clay |
| Martin Landaluce | 2-6 3-6 | L | H2H | Match data | May 4, 2026 | Q1 | Italian Open | Masters 1000 | Clay |
| Facundo Diaz Acosta | 6-7 6-4 4-6 | L | H2H | Match data | May 19, 2026 | Q1 | Roland Garros | Grand Slam | Clay |
| Joel Schwaerzler | 7-6(3) 6-4 | W | H2H | Match data | Jun 23, 2026* | Q1 | Wimbledon | Grand Slam | Grass |
| Bernard Tomic | 6-4 6-4 | W | H2H | Match data | Jun 24, 2026* | Q2 | Wimbledon | Grand Slam | Grass |
| Mackenzie McDonald | 3-6 4-6 4-6 | L | H2H | Match data | Jun 25, 2026 | Q3 | Wimbledon | Grand Slam | Grass |
| Andres Martin | 3-6 6-4 2-6 | L | H2H | Match data | Jul 25, 2026 | Q1 | Washington Open | ATP 500 | Hard |
| Jaime Faria | 6-7(8) 6-2 6-4 | W | H2H | Match data | Aug 1, 2026 | Q1 | Canadian Open | Masters 1000 | Hard |
| James Duckworth | 3-6 1-6 | L | H2H | Match data | Aug 3, 2026 | R128 | Canadian Open | Masters 1000 | Hard |
| Dane Sweeny | 6-7(3) 6-2 7-5 | W | H2H | Match data | Aug 11, 2026 | Q1 | Cincinnati Open | Masters 1000 | Hard |
| Aleksandr Shevchenko | 6-4 6-1 | W | H2H | Match data | Aug 12, 2026 | Q2 | Cincinnati Open | Masters 1000 | Hard |
| Kamil Majchrzak | 6-4 7-6(5) | W | H2H | Match data | Aug 14, 2026 | R128 | Cincinnati Open | Masters 1000 | Hard |
| Casper Ruud | 7-5 1-2 (ret.) | W | H2H | Match data | Aug 16, 2026 | R64 | Cincinnati Open | Masters 1000 | Hard |
| Joao Fonseca | (w/o) | W | H2H | Match data | Aug 18, 2026 | R32 | Cincinnati Open | Masters 1000 | Hard |
| Taylor Fritz | 4-6 3-6 | L | H2H | Match data | Aug 19, 2026 | R16 | Cincinnati Open | Masters 1000 | Hard |
| Stefanos Sakellaridis | 6-3 6-3 | W | H2H | Match data | Aug 25, 2026 | Q1 | US Open | Grand Slam | Hard |
| Nicolai Budkov Kjaer | 7-5 6-4 | W | H2H | Match data | Aug 26, 2026 | Q2 | US Open | Grand Slam | Hard |
| Zsombor Piros | 7-5 6-7(3) | L | H2H | Match data | Aug 28, 2026 | Q3 | US Open | Grand Slam | Hard |
99 qualifying matches shown in the table; qualifying is excluded from main-draw summaries and leaderboards. Estimated from the tournament schedule where an exact match date is unavailable. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Mapping details.