H2H data updated: 2026-10-08 00:00 UTC
Christopher O'Connell holds a 1–0 lead over Casper Ruud 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 2026 Cincinnati Open second round 7-5 1-2.
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 | 7-5 1-2 (ret.) | Casper Ruud | Match data | Aug 16, 2026 | R64 | Cincinnati Open | Masters 1000 | Hard |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Casper Ruud | #24 | #2 | 5,850 | 2,127 | 289 | 164 | 63.8% | 0 | 1 | 0 | 1 | 12 | 14 |
| Christopher O'Connell | #117 | #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 | Casper Ruud | Christopher O'Connell | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 17 | 2016 | 0–1 | 0.0% | #225 | 1,488 | 0 | 0 | — | — | — | — | — | — | — |
| 18 | 2017 | 5–8 | 38.5% | #139 | 1,543 | 0 | 0 | — | — | — | — | — | — | — |
| 19 | 2018 | 6–9 | 40.0% | #112 | 1,689 | 0 | 0 | — | — | — | — | — | — | — |
| 20 | 2019 | 20–17 | 54.1% | #54 | 1,772 | 0 | 0 | — | — | — | — | — | — | — |
| 21 | 2020 | 19–12 | 61.3% | #27 | 1,860 | 0 | 1 | — | — | — | — | — | — | — |
| 22 | 2021 | 53–18 | 74.6% | #8 | 2,047 | 0 | 6 | — | — | — | — | — | — | — |
| 23 | 2022 | 46–20 | 69.7% | #3 | 2,048 | 0 | 9 | 2017 | 0–2 | 0.0% | #393 | 1,524 | 0 | 0 |
| 24 | 2023 | 35–22 | 61.4% | #11 | 1,889 | 0 | 10 | — | — | — | — | — | — | — |
| 25 | 2024 | 47–24 | 66.2% | #6 | 1,909 | 0 | 12 | — | — | — | — | — | — | — |
| 26 | 2025 | 34–17 | 66.7% | #12 | 1,917 | 0 | 14 | 2020 | 1–2 | 33.3% | #120 | 1,510 | 0 | 0 |
| 27 | 2026 | 24–16 | 60.0% | #24 | 1,876 | 0 | 14 | 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% | #117 | 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 | Casper Ruud | 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 % | |||
| 17 | 2016 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 18 | 2017 | 0 | 3 | 3 | 0.0% | 5 | 5 | 10 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 19 | 2018 | 1 | 3 | 4 | 25.0% | 5 | 6 | 11 | 45.5% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 20 | 2019 | 3 | 8 | 11 | 27.3% | 17 | 8 | 25 | 68.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 21 | 2020 | 2 | 6 | 8 | 25.0% | 17 | 6 | 23 | 73.9% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | 2021 | 22 | 11 | 33 | 66.7% | 29 | 5 | 34 | 85.3% | 2 | 2 | 4 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 23 | 2022 | 20 | 11 | 31 | 64.5% | 25 | 7 | 32 | 78.1% | 1 | 2 | 3 | 33.3% | 2017 | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — |
| 24 | 2023 | 12 | 13 | 25 | 48.0% | 22 | 8 | 30 | 73.3% | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 25 | 2024 | 21 | 16 | 37 | 56.8% | 25 | 7 | 32 | 78.1% | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 26 | 2025 | 20 | 12 | 32 | 62.5% | 14 | 5 | 19 | 73.7% | — | — | — | — | 2020 | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — |
| 27 | 2026 | 7 | 9 | 16 | 43.8% | 17 | 6 | 23 | 73.9% | 0 | 1 | 1 | 0.0% | 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 | — | 108 | 93 | 201 | 53.7% | 176 | 63 | 239 | 73.6% | 5 | 8 | 13 | 38.5% | — | 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 444/453 of Casper Ruud's and 162/166 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 | Casper Ruud | 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% | |
| 17 | 2016 | 1/1 | 6.0 | 3.0 | 62.7% | 73.0% | 63.6% | 33.3% | 16.7% | 69.5% | 23.2% | — | —/— | — | — | — | — | — | — | — | — | — |
| 18 | 2017 | 13/13 | 3.8 | 2.5 | 67.0% | 68.3% | 52.1% | 66.1% | 44.2% | 62.4% | 32.4% | — | —/— | — | — | — | — | — | — | — | — | — |
| 19 | 2018 | 15/15 | 6.0 | 2.6 | 63.5% | 69.3% | 47.3% | 61.0% | 40.1% | 61.2% | 33.8% | — | —/— | — | — | — | — | — | — | — | — | — |
| 20 | 2019 | 37/37 | 3.4 | 3.3 | 64.7% | 70.6% | 52.6% | 56.9% | 46.3% | 64.4% | 37.1% | — | —/— | — | — | — | — | — | — | — | — | — |
| 21 | 2020 | 31/31 | 4.3 | 1.9 | 65.9% | 70.3% | 54.8% | 62.3% | 41.9% | 64.9% | 38.7% | — | —/— | — | — | — | — | — | — | — | — | — |
| 22 | 2021 | 69/71 | 4.9 | 1.9 | 63.9% | 74.0% | 56.8% | 57.3% | 49.7% | 67.9% | 39.3% | — | —/— | — | — | — | — | — | — | — | — | — |
| 23 | 2022 | 66/66 | 5.9 | 2.0 | 65.3% | 75.0% | 55.6% | 59.5% | 42.8% | 68.1% | 37.0% | 2017 | 2/2 | 4.0 | 3.5 | 62.1% | 64.7% | 50.0% | 65.7% | 6.7% | 59.0% | 26.2% |
| 24 | 2023 | 57/57 | 5.3 | 2.9 | 63.7% | 72.0% | 54.0% | 65.3% | 39.5% | 65.5% | 38.4% | — | —/— | — | — | — | — | — | — | — | — | — |
| 25 | 2024 | 65/71 | 5.8 | 2.1 | 65.6% | 72.5% | 55.4% | 56.7% | 42.6% | 66.3% | 37.7% | — | —/— | — | — | — | — | — | — | — | — | — |
| 26 | 2025 | 50/51 | 5.8 | 2.1 | 66.5% | 73.6% | 54.8% | 54.4% | 39.8% | 67.2% | 37.4% | 2020 | 3/3 | 7.7 | 2.0 | 63.9% | 68.4% | 49.5% | 72.2% | 42.9% | 61.5% | 32.9% |
| 27 | 2026 | 40/40 | 5.8 | 2.5 | 66.4% | 70.8% | 56.8% | 57.6% | 37.7% | 66.6% | 39.3% | 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 | 12/15 | 8.6 | 1.5 | 56.7% | 71.8% | 47.5% | 57.3% | 39.4% | 61.2% | 31.1% |
Seasons are aligned by the age each player spent most of that calendar year. Metrics use eligible main-draw results; point statistics use matches with detailed data. 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 | Casper Ruud | 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 | 1488 | 107.1 | +0.83 | -0.30 | 0.760 | 44.5% | — | — | — | 0.0% | -2.00 | — | 0–1 | — | -0.09 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 18 | 2017 | 1543 | 123.9 | -0.32 | -2.90 | 0.862 | 48.1% | -36 | +68 | — | 42.3% | -0.42 | 1–1 | 2–3 (40%) | — | +0.63 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 19 | 2018 | 1689 | 134.0 | -0.58 | -2.48 | 0.871 | 48.4% | -63 | +30 | — | 41.5% | -0.12 | 3–3 (50%) | 1–4 (20%) | 99.0 | -0.50 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 20 | 2019 | 1772 | 139.3 | +0.18 | +1.21 | 1.042 | 51.2% | -121 | +103 | — | 50.6% | +0.28 | 6–4 (60%) | 4–6 (40%) | 100.4 | +0.64 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 21 | 2020 | 1860 | 150.0 | +1.68 | +2.01 | 1.101 | 51.8% | -216 | +102 | — | 54.5% | +0.56 | 6–4 (60%) | 3–7 (30%) | 99.2 | -0.82 | 2015 | 1495 | 104.2 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | 2021 | 2048 | 162.4 | +4.67 | +2.55 | 1.226 | 53.5% | -90 | +70 | -454 | 68.5% | +1.25 | 14–3 (82%) | 12–8 (60%) | 110.2 | +1.70 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 23 | 2022 | 2048 | 163.8 | +4.46 | +1.52 | 1.161 | 52.5% | -17 | +133 | -461 | 64.2% | +0.91 | 11–6 (65%) | 25–12 (68%) | 105.6 | +0.08 | 2017 | 1525 | 115.5 | -0.12 | -0.17 | 0.638 | 43.9% | — | — | — | 16.7% | -2.17 | 0–1 | 1–1 | — | -0.10 |
| 24 | 2023 | 1890 | 152.7 | +1.58 | +1.92 | 1.112 | 51.9% | -58 | +275 | — | 60.4% | +0.68 | 7–11 (39%) | 18–13 (58%) | 91.0 | +2.35 | 2018 | 1518 | 105.8 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 25 | 2024 | 1909 | 162.8 | +2.26 | +2.49 | 1.120 | 52.0% | -33 | +247 | — | 60.9% | +0.71 | 16–6 (73%) | 16–11 (59%) | 106.2 | +1.00 | 2019 | 1494 | 99.2 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 26 | 2025 | 1917 | 153.8 | +2.61 | +1.69 | 1.139 | 52.2% | -42 | +186 | — | 65.9% | +0.75 | 8–7 (53%) | 9–4 (69%) | 99.9 | +2.67 | 2020 | 1510 | 117.0 | +2.22 | +2.41 | 0.854 | 48.6% | +35 | — | — | 36.4% | -0.55 | — | 1–1 | — | -0.18 |
| 27 | 2026 | 1877 | 157.3 | +1.93 | +3.80 | 1.175 | 53.0% | -73 | +221 | — | 58.0% | +0.69 | 7–2 (78%) | 7–11 (39%) | 99.3 | -0.96 | 2021 | 1661 | 126.7 | +0.93 | -2.95 | 0.959 | 49.2% | -16 | — | — | 43.9% | -0.29 | 2–7 (22%) | 7–6 (54%) | 97.7 | -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%) | 99.0 | -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%) | 103.4 | -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%) | 99.1 | -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%) | 98.1 | -0.58 |
| 32 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2026 | 1672 | 124.8 | -2.08 | -2.91 | 0.800 | 46.8% | +74 | — | — | 33.3% | -1.22 | 1–2 (33%) | 4–3 (57%) | 98.6 | -0.19 |
| Career | — | 2128 | 159.9 | +2.50 | +1.84 | 1.120 | 52.1% | -60 | +156 | -457 | 60.3% | +0.72 | 79–47 (63%) | 97–80 (55%) | 103.2 | +1.49 | — | 1821 | 140.3 | -0.47 | -1.51 | 0.911 | 48.6% | +20 | -105 | +16 | 42.3% | -0.49 | 17–31 (35%) | 49–46 (52%) | 98.0 | -3.25 |
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 |
|---|---|---|---|---|---|
| Diego Schwartzman | 4 | 5 | 9 | Mar 11, 2023 | H2H |
| Jaume Munar | 7 | 1 | 8 | Apr 25, 2026 | H2H |
| Felix Auger-Aliassime | 3 | 5 | 8 | Apr 9, 2026 | H2H |
| Matteo Berrettini | 6 | 2 | 8 | Sep 28, 2025 | H2H |
| Albert Ramos-Vinolas | 5 | 3 | 8 | May 27, 2025 | 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 |