H2H data updated: 2026-09-01 00:00 UTC
Christopher O'Connell holds a 1–0 lead over Stefanos Tsitsipas in their ATP head-to-head. Across 1 main-draw meeting, Christopher O'Connell leads 1–0 on hard courts. Most recently, Christopher O'Connell won the 2025 Canadian Open second round 6-4 4-6 6-2.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Christopher O'Connell | 6-4 4-6 6-2 | Stefanos Tsitsipas | Match data | Jul 30, 2025* | R64 | Canadian Open | Masters 1000 | Hard |
Estimated match date where the exact historical date is unavailable. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Asterisked totals include editions mapped from documented historical predecessor categories. Mapping details.
| Player | Current | Peak | Pts | Elo | W | L | Win % | GS | 1000 including documented historical predecessor categories | Finals | 500 including documented historical predecessor categories | 250 including documented historical predecessor categories | Titles |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Stefanos Tsitsipas | #53 | #3 | 8,350 | 2,231 | 364 | 194 | 65.2% | 0 | 3 | 1 | 1 | 8 | 13 |
| Christopher O'Connell | #106 | #53 | 930 | 1,820 | 65 | 99 | 39.6% | 0 | 0 | 0 | 0 | 0 | 0 |
Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.
| Age | Stefanos Tsitsipas | Christopher O'Connell | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 18 | 2017 | 4–10 | 28.6% | #91 | 1,792 | 0 | 0 | — | — | — | — | — | — | — |
| 19 | 2018 | 41–27 | 60.3% | #15 | 1,984 | 0 | 1 | — | — | — | — | — | — | — |
| 20 | 2019 | 54–25 | 68.4% | #6 | 2,110 | 0 | 4 | — | — | — | — | — | — | — |
| 21 | 2020 | 27–12 | 69.2% | #6 | 2,071 | 0 | 5 | — | — | — | — | — | — | — |
| 22 | 2021 | 53–19 | 73.6% | #4 | 2,029 | 0 | 7 | — | — | — | — | — | — | — |
| 23 | 2022 | 57–22 | 72.2% | #4 | 2,046 | 0 | 9 | 2017 | 0–2 | 0.0% | #393 | 1,524 | 0 | 0 |
| 24 | 2023 | 45–23 | 66.2% | #6 | 1,971 | 0 | 10 | — | — | — | — | — | — | — |
| 25 | 2024 | 42–21 | 66.7% | #11 | 1,946 | 0 | 11 | — | — | — | — | — | — | — |
| 26 | 2025 | 20–16 | 55.6% | #36 | 1,805 | 0 | 12 | 2020 | 1–2 | 33.3% | #120 | 1,510 | 0 | 0 |
| 27 | 2026 | 21–19 | 52.5% | #53 | 1,848 | 0 | 13 | 2021 | 4–9 | 30.8% | #175 | 1,660 | 0 | 0 |
| 28 | — | — | — | — | — | — | — | 2022 | 6–12 | 33.3% | #78 | 1,708 | 0 | 0 |
| 29 | — | — | — | — | — | — | — | 2023 | 19–23 | 45.2% | #68 | 1,719 | 0 | 0 |
| 30 | — | — | — | — | — | — | — | 2024 | 17–22 | 43.6% | #64 | 1,741 | 0 | 0 |
| 31 | — | — | — | — | — | — | — | 2025 | 13–21 | 38.2% | #116 | 1,658 | 0 | 0 |
| 32 | — | — | — | — | — | — | — | 2026 | 5–8 | 38.5% | #106 | 1,672 | 0 | 0 |
Seasons are aligned by the age each player spent most of that calendar year. Results cover completed main-draw matches. Bold green marks the higher win percentage when both players have at least 5 matches on that surface at the aligned age.
| Age | Stefanos Tsitsipas | Christopher O'Connell | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Hard | Clay | Grass | Yr | Hard | Clay | Grass | |||||||||||||||||||
| W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | |||
| 18 | 2017 | 4 | 7 | 11 | 36.4% | 0 | 2 | 2 | 0.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 19 | 2018 | 24 | 18 | 42 | 57.1% | 11 | 6 | 17 | 64.7% | 6 | 3 | 9 | 66.7% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 20 | 2019 | 36 | 17 | 53 | 67.9% | 16 | 5 | 21 | 76.2% | 2 | 3 | 5 | 40.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 21 | 2020 | 18 | 9 | 27 | 66.7% | 9 | 3 | 12 | 75.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | 2021 | 30 | 13 | 43 | 69.8% | 23 | 5 | 28 | 82.1% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 23 | 2022 | 32 | 15 | 47 | 68.1% | 17 | 4 | 21 | 81.0% | 8 | 3 | 11 | 72.7% | 2017 | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — |
| 24 | 2023 | 24 | 14 | 38 | 63.2% | 17 | 5 | 22 | 77.3% | 4 | 4 | 8 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 25 | 2024 | 18 | 13 | 31 | 58.1% | 22 | 6 | 28 | 78.6% | 2 | 2 | 4 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 26 | 2025 | 12 | 9 | 21 | 57.1% | 7 | 5 | 12 | 58.3% | 1 | 2 | 3 | 33.3% | 2020 | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — |
| 27 | 2026 | 10 | 11 | 21 | 47.6% | 10 | 6 | 16 | 62.5% | 1 | 2 | 3 | 33.3% | 2021 | 4 | 6 | 10 | 40.0% | 0 | 2 | 2 | 0.0% | 0 | 1 | 1 | 0.0% |
| 28 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2022 | 5 | 9 | 14 | 35.7% | 1 | 2 | 3 | 33.3% | 0 | 1 | 1 | 0.0% |
| 29 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2023 | 7 | 12 | 19 | 36.8% | 8 | 8 | 16 | 50.0% | 4 | 3 | 7 | 57.1% |
| 30 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2024 | 17 | 17 | 34 | 50.0% | 0 | 4 | 4 | 0.0% | 0 | 1 | 1 | 0.0% |
| 31 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2025 | 10 | 13 | 23 | 43.5% | 3 | 5 | 8 | 37.5% | 0 | 3 | 3 | 0.0% |
| 32 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2026 | 5 | 7 | 12 | 41.7% | 0 | 1 | 1 | 0.0% | — | — | — | — |
| Career | — | 208 | 126 | 334 | 62.3% | 132 | 47 | 179 | 73.7% | 24 | 21 | 45 | 53.3% | — | 49 | 68 | 117 | 41.9% | 12 | 22 | 34 | 35.3% | 4 | 9 | 13 | 30.8% |
Seasons are aligned by the age each player spent most of that calendar year. Detailed serve and return statistics available for 547/559 of Stefanos Tsitsipas's and 162/164 of Christopher O'Connell's main draw matches. Sample is shown as matches with detailed serve and return statistics / total main draw matches. Bold green marks the stronger value when both stat samples contain at least 5 matches; lower is better for DFs/M.
| Age | Stefanos Tsitsipas | Christopher O'Connell | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Sample | Aces/M | DFs/M | 1st Sv% | 1st Pts% | 2nd Pts% | BP Saved% | BP Conv% | Svc Pts% | Ret Pts% | Yr | Sample | Aces/M | DFs/M | 1st Sv% | 1st Pts% | 2nd Pts% | BP Saved% | BP Conv% | Svc Pts% | Ret Pts% | |
| 18 | 2017 | 14/14 | 7.6 | 2.1 | 59.5% | 76.3% | 47.9% | 58.3% | 44.6% | 64.4% | 31.5% | — | —/— | — | — | — | — | — | — | — | — | — |
| 19 | 2018 | 68/68 | 6.7 | 2.6 | 57.9% | 75.4% | 54.4% | 63.4% | 48.9% | 66.7% | 35.8% | — | —/— | — | — | — | — | — | — | — | — | — |
| 20 | 2019 | 78/79 | 7.1 | 2.2 | 64.2% | 76.8% | 52.9% | 59.2% | 39.3% | 68.3% | 35.8% | — | —/— | — | — | — | — | — | — | — | — | — |
| 21 | 2020 | 38/39 | 7.3 | 2.1 | 64.3% | 77.9% | 58.7% | 61.5% | 39.5% | 71.0% | 38.0% | — | —/— | — | — | — | — | — | — | — | — | — |
| 22 | 2021 | 68/72 | 6.9 | 2.3 | 62.7% | 77.2% | 57.7% | 61.3% | 46.4% | 69.8% | 39.4% | — | —/— | — | — | — | — | — | — | — | — | — |
| 23 | 2022 | 79/79 | 7.6 | 2.1 | 63.4% | 77.1% | 56.0% | 60.3% | 42.8% | 69.6% | 36.3% | 2017 | 2/2 | 4.0 | 3.5 | 62.1% | 64.7% | 50.0% | 65.7% | 6.7% | 59.0% | 26.2% |
| 24 | 2023 | 67/68 | 7.4 | 2.2 | 63.4% | 78.4% | 54.8% | 59.7% | 41.1% | 69.9% | 35.4% | — | —/— | — | — | — | — | — | — | — | — | — |
| 25 | 2024 | 59/63 | 7.0 | 3.1 | 60.6% | 74.1% | 55.6% | 65.3% | 43.5% | 66.9% | 35.7% | — | —/— | — | — | — | — | — | — | — | — | — |
| 26 | 2025 | 36/36 | 6.6 | 3.3 | 59.2% | 75.2% | 53.7% | 53.0% | 35.6% | 66.4% | 36.1% | 2020 | 3/3 | 7.7 | 2.0 | 63.9% | 68.4% | 49.5% | 72.2% | 42.9% | 61.5% | 32.9% |
| 27 | 2026 | 40/41 | 7.3 | 2.6 | 62.9% | 76.4% | 50.5% | 53.1% | 30.4% | 67.3% | 34.6% | 2021 | 13/13 | 8.2 | 1.2 | 62.9% | 75.2% | 52.0% | 60.8% | 40.3% | 66.5% | 32.1% |
| 28 | — | —/— | — | — | — | — | — | — | — | — | — | 2022 | 18/18 | 8.3 | 2.6 | 63.4% | 71.2% | 48.3% | 61.9% | 32.8% | 62.7% | 34.7% |
| 29 | — | —/— | — | — | — | — | — | — | — | — | — | 2023 | 42/42 | 6.9 | 1.9 | 62.0% | 73.1% | 50.7% | 61.9% | 32.8% | 64.6% | 34.0% |
| 30 | — | —/— | — | — | — | — | — | — | — | — | — | 2024 | 39/39 | 7.5 | 2.0 | 59.5% | 73.7% | 50.7% | 61.7% | 34.2% | 64.3% | 33.4% |
| 31 | — | —/— | — | — | — | — | — | — | — | — | — | 2025 | 33/34 | 6.3 | 1.8 | 59.5% | 68.7% | 49.2% | 60.6% | 30.5% | 60.5% | 34.2% |
| 32 | — | —/— | — | — | — | — | — | — | — | — | — | 2026 | 12/13 | 8.6 | 1.5 | 56.7% | 71.8% | 47.5% | 57.3% | 39.4% | 61.2% | 31.1% |
| Career | — | 547/559 | 7.1 | 2.4 | 62.1% | 76.6% | 54.8% | 60.1% | 41.8% | 68.4% | 36.2% | — | 162/164 | 7.3 | 1.9 | 60.8% | 72.0% | 50.0% | 61.4% | 33.6% | 63.2% | 33.5% |
Seasons are aligned by the age each player spent most of that calendar year. Metrics are precomputed from eligible main-draw results; point-stat values use the available detailed sample. Bold green marks the stronger value when both underlying samples are sufficient. Lower is better for Schedule because a negative value means a tougher schedule. Career Schedule is normalized per 100 matches.
| Age | Stefanos Tsitsipas | Christopher O'Connell | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule | Yr | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule | |
| 17 | 2016 | 1515 | 105.9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 18 | 2017 | 1792 | 129.7 | +0.10 | -1.10 | 0.886 | 47.9% | -27 | — | — | 25.8% | -1.16 | 1–2 (33%) | 3–4 (43%) | — | -0.80 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 19 | 2018 | 1985 | 162.4 | +3.10 | +0.06 | 1.075 | 51.4% | -47 | -144 | -212 | 55.8% | +0.48 | 15–9 (63%) | 16–20 (44%) | — | -1.82 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 20 | 2019 | 2111 | 170.5 | +4.99 | +1.26 | 1.131 | 52.0% | +5 | -96 | -381 | 64.0% | +0.68 | 14–13 (52%) | 32–13 (71%) | — | -0.82 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 21 | 2020 | 2071 | 167.4 | +6.35 | +2.58 | 1.312 | 53.8% | -32 | -4 | — | 65.7% | +1.01 | 6–8 (43%) | 12–8 (60%) | — | -1.16 | 2015 | 1495 | 104.2 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | 2021 | 2029 | 171.6 | +6.41 | +3.62 | 1.303 | 54.4% | -28 | +197 | — | 67.7% | +1.32 | 15–12 (56%) | 16–13 (55%) | — | -1.26 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 23 | 2022 | 2046 | 169.2 | +6.20 | +0.93 | 1.193 | 52.8% | -1 | +212 | -173 | 64.9% | +0.84 | 19–7 (73%) | 27–16 (63%) | — | +1.36 | 2017 | 1525 | 115.5 | -0.12 | -0.17 | 0.638 | 43.9% | — | — | — | 16.7% | -2.17 | 0–1 | 1–1 | — | -0.10 |
| 24 | 2023 | 1972 | 163.7 | +5.65 | +0.60 | 1.176 | 52.5% | +23 | +249 | -97 | 63.6% | +0.86 | 10–8 (56%) | 24–20 (55%) | — | +0.38 | 2018 | 1518 | 105.8 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 25 | 2024 | 1947 | 162.0 | +3.03 | +0.49 | 1.080 | 51.8% | -37 | +265 | -112 | 61.8% | +0.87 | 10–4 (71%) | 18–14 (56%) | — | +0.52 | 2019 | 1494 | 99.2 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 26 | 2025 | 1805 | 146.8 | +1.21 | +0.54 | 1.075 | 51.0% | +34 | +282 | -24 | 55.4% | +0.40 | 7–6 (54%) | 10–7 (59%) | — | +1.62 | 2020 | 1510 | 117.0 | +2.22 | +2.41 | 0.854 | 48.6% | +35 | — | — | 36.4% | -0.55 | — | 1–1 | — | -0.18 |
| 27 | 2026 | 1848 | 146.5 | +2.50 | -0.90 | 1.058 | 50.6% | -3 | +145 | -90 | 50.5% | +0.19 | 5–4 (56%) | 10–18 (36%) | — | -1.77 | 2021 | 1661 | 126.7 | +0.93 | -2.95 | 0.959 | 49.2% | -16 | — | — | 43.9% | -0.29 | 2–7 (22%) | 7–6 (54%) | — | -0.33 |
| 28 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2022 | 1708 | 136.6 | -1.02 | -1.54 | 0.930 | 48.9% | -4 | -132 | — | 42.6% | -0.43 | 1–5 (17%) | 8–6 (57%) | — | -0.26 |
| 29 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2023 | 1720 | 137.5 | +0.91 | -1.80 | 0.960 | 49.3% | -32 | -99 | +28 | 45.4% | -0.32 | 7–8 (47%) | 16–12 (57%) | — | -1.95 |
| 30 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2024 | 1742 | 145.4 | -0.18 | -0.88 | 0.933 | 49.0% | +1 | -145 | — | 45.7% | -0.29 | 2–4 (33%) | 7–8 (47%) | — | -1.68 |
| 31 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2025 | 1659 | 134.1 | -2.50 | -1.21 | 0.866 | 47.8% | +93 | -88 | -11 | 38.7% | -0.73 | 4–4 (50%) | 5–9 (36%) | — | -0.58 |
| 32 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2026 | 1672 | 124.8 | -2.08 | -2.70 | 0.800 | 46.8% | +74 | — | — | 33.3% | -1.22 | 1–2 (33%) | 4–3 (57%) | — | -0.23 |
| Career | — | 2231 | 167.8 | +4.51 | +1.02 | 1.147 | 52.2% | -11 | +136 | -169 | 61.2% | +0.74 | 102–73 (58%) | 168–133 (56%) | 102.9 | -0.68 | — | 1821 | 140.3 | -0.47 | -1.49 | 0.911 | 48.6% | +20 | -105 | +16 | 42.3% | -0.49 | 17–31 (35%) | 49–46 (52%) | 98.0 | -3.28 |
Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Novak Djokovic | 2 | 13 | 15 | Jul 1, 2026 | H2H |
| Daniil Medvedev | 5 | 10 | 15 | Feb 18, 2026 | H2H |
| Alexander Zverev | 9 | 5 | 14 | Nov 2, 2024 | H2H |
| Alex de Minaur | 10 | 2 | 12 | Jul 29, 2026 | H2H |
| Felix Auger-Aliassime | 7 | 4 | 11 | Aug 16, 2026 | H2H |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Taylor Fritz | 0 | 4 | 4 | Aug 19, 2026 | H2H |
| Grigor Dimitrov | 1 | 3 | 4 | Feb 26, 2025 | H2H |
| Marton Fucsovics | 0 | 3 | 3 | Mar 20, 2026 | H2H |
| Ugo Humbert | 1 | 2 | 3 | Feb 13, 2026 | H2H |
| Roberto Bautista Agut | 1 | 2 | 3 | Feb 2, 2026 | H2H |