H2H data updated: 2026-09-14 00:00 UTC
Irina Falconi Hartman holds a 1–0 lead over Naomi Osaka in their WTA head-to-head. Across 1 main-draw meeting, Irina Falconi Hartman leads 1–0 on hard courts. Most recently, Irina Falconi Hartman won the 2015 Japan Women's Open first round 5-7 7-5 6-3.
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| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Irina Falconi Hartman | 5-7 7-5 6-3 | Naomi Osaka | Match data | Sep 17, 2015* | R32 | Japan Women's Open | International → modern equivalent WTA 250 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Naomi Osaka | #13 | #1 | 7,985 | 2,179 | 251 | 136 | 64.9% | 4 | 2 | 0 | 1 | 1 | 8 |
| Irina Falconi Hartman | #1,008 | #63 | 1,005 | 1,612 | 42 | 72 | 36.8% | 0 | 0 | 0 | 0 | 1 | 1 |
Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.
| Naomi Osaka | Irina Falconi Hartman | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 2014 | 2–2 | 50.0% | #260 | 1,530 | 0 | 0 | 2010 | 0–2 | 0.0% | #184 | 1,488 | 0 | 0 |
| 2015 | 0–2 | 0.0% | #144 | 1,508 | 0 | 0 | 2011 | 8–13 | 38.1% | #84 | 1,529 | 0 | 0 |
| 2016 | 20–13 | 60.6% | #48 | 1,700 | 0 | 0 | 2012 | 6–13 | 31.6% | #151 | 1,499 | 0 | 0 |
| 2017 | 19–22 | 46.3% | #68 | 1,695 | 0 | 0 | 2013 | 0–1 | 0.0% | #144 | 1,496 | 0 | 0 |
| 2018 | 40–20 | 66.7% | #5 | 1,902 | 1 | 2 | 2014 | 2–3 | 40.0% | #112 | 1,497 | 0 | 0 |
| 2019 | 40–13 | 75.5% | #3 | 2,047 | 2 | 5 | 2015 | 12–17 | 41.4% | #76 | 1,550 | 0 | 0 |
| 2020 | 16–3 | 84.2% | #3 | 2,111 | 3 | 6 | 2016 | 11–12 | 47.8% | #99 | 1,560 | 0 | 1 |
| 2021 | 20–8 | 71.4% | #13 | 2,040 | 4 | 7 | 2017 | 2–7 | 22.2% | #129 | 1,496 | 0 | 1 |
| 2022 | 15–11 | 57.7% | #42 | 1,933 | 4 | 7 | 2018 | 1–4 | 20.0% | #271 | 1,522 | 0 | 1 |
| 2024 | 21–17 | 55.3% | #57 | 1,872 | 4 | 7 | — | — | — | — | — | — | — |
| 2025 | 31–14 | 68.9% | #16 | 1,965 | 4 | 8 | — | — | — | — | — | — | — |
| 2026 | 27–11 | 71.1% | #13 | 2,052 | 4 | 8 | — | — | — | — | — | — | — |
Rows are aligned in career order because complete birth data is unavailable. 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.
| Naomi Osaka | Irina Falconi Hartman | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 % | ||
| 2014 | 2 | 2 | 4 | 50.0% | — | — | — | — | — | — | — | — | 2010 | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — |
| 2015 | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — | 2011 | 6 | 9 | 15 | 40.0% | 2 | 3 | 5 | 40.0% | 0 | 1 | 1 | 0.0% |
| 2016 | 18 | 11 | 29 | 62.1% | 2 | 2 | 4 | 50.0% | — | — | — | — | 2012 | 2 | 7 | 9 | 22.2% | 1 | 4 | 5 | 20.0% | 3 | 2 | 5 | 60.0% |
| 2017 | 13 | 13 | 26 | 50.0% | 2 | 5 | 7 | 28.6% | 4 | 4 | 8 | 50.0% | 2013 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — |
| 2018 | 29 | 13 | 42 | 69.0% | 5 | 4 | 9 | 55.6% | 6 | 3 | 9 | 66.7% | 2014 | 1 | 2 | 3 | 33.3% | 1 | 1 | 2 | 50.0% | — | — | — | — |
| 2019 | 30 | 7 | 37 | 81.1% | 9 | 4 | 13 | 69.2% | 1 | 2 | 3 | 33.3% | 2015 | 7 | 10 | 17 | 41.2% | 4 | 4 | 8 | 50.0% | 1 | 3 | 4 | 25.0% |
| 2020 | 16 | 3 | 19 | 84.2% | — | — | — | — | — | — | — | — | 2016 | 3 | 8 | 11 | 27.3% | 8 | 3 | 11 | 72.7% | 0 | 1 | 1 | 0.0% |
| 2021 | 18 | 5 | 23 | 78.3% | 2 | 3 | 5 | 40.0% | — | — | — | — | 2017 | 2 | 5 | 7 | 28.6% | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% |
| 2022 | 14 | 9 | 23 | 60.9% | 1 | 2 | 3 | 33.3% | — | — | — | — | 2018 | 0 | 2 | 2 | 0.0% | 0 | 1 | 1 | 0.0% | 1 | 1 | 2 | 50.0% |
| 2024 | 13 | 9 | 22 | 59.1% | 5 | 5 | 10 | 50.0% | 3 | 3 | 6 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2025 | 25 | 8 | 33 | 75.8% | 3 | 3 | 6 | 50.0% | 3 | 3 | 6 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2026 | 12 | 6 | 18 | 66.7% | 7 | 3 | 10 | 70.0% | 8 | 2 | 10 | 80.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 190 | 88 | 278 | 68.3% | 36 | 31 | 67 | 53.7% | 25 | 17 | 42 | 59.5% | Career | 21 | 46 | 67 | 31.3% | 16 | 17 | 33 | 48.5% | 5 | 9 | 14 | 35.7% |
Rows are aligned in career order because complete birth data is unavailable. Detailed serve and return statistics available for 350/386 of Naomi Osaka's and 102/114 of Irina Falconi Hartman'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.
| Naomi Osaka | Irina Falconi Hartman | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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% |
| 2014 | 4/4 | 4.3 | 1.8 | 55.4% | 65.3% | 44.8% | 33.6% | 49.2% | 55.5% | 41.0% | 2010 | 2/2 | 1.5 | 0.5 | 73.2% | 53.9% | 32.3% | 31.0% | 50.0% | 48.5% | 30.4% |
| 2016 | 33/33 | 4.8 | 2.5 | 55.2% | 69.6% | 48.3% | 54.8% | 51.5% | 59.9% | 43.8% | 2011 | 18/21 | 1.2 | 3.1 | 61.2% | 54.7% | 40.9% | 44.6% | 45.7% | 49.3% | 41.9% |
| 2017 | 40/41 | 4.2 | 2.5 | 55.9% | 67.2% | 45.7% | 45.6% | 46.3% | 57.5% | 40.2% | 2012 | 19/19 | 0.9 | 3.0 | 64.4% | 54.4% | 40.5% | 47.1% | 51.9% | 50.0% | 43.9% |
| 2018 | 55/60 | 4.7 | 2.1 | 59.7% | 71.1% | 48.8% | 55.8% | 55.7% | 61.9% | 45.3% | 2013 | 1/1 | 0.0 | 4.0 | 49.1% | 50.0% | 34.5% | 40.0% | 25.0% | 42.1% | 42.9% |
| 2019 | 50/53 | 7.0 | 1.9 | 60.2% | 73.1% | 47.9% | 56.3% | 51.0% | 63.1% | 44.4% | 2014 | 4/5 | 0.5 | 3.8 | 64.3% | 53.9% | 43.2% | 55.6% | 56.3% | 50.1% | 37.0% |
| 2020 | 18/19 | 7.8 | 2.5 | 59.0% | 76.0% | 53.0% | 64.2% | 43.2% | 66.5% | 42.5% | 2015 | 22/29 | 1.2 | 5.2 | 62.8% | 61.2% | 46.1% | 48.4% | 59.7% | 55.8% | 40.7% |
| 2021 | 21/28 | 6.5 | 2.8 | 53.5% | 76.2% | 52.2% | 59.4% | 52.6% | 64.9% | 43.6% | 2016 | 22/23 | 1.7 | 3.2 | 62.1% | 59.8% | 47.1% | 55.0% | 53.3% | 54.8% | 43.0% |
| 2022 | 22/26 | 5.7 | 2.5 | 51.4% | 76.9% | 47.4% | 61.9% | 44.1% | 62.7% | 41.4% | 2017 | 9/9 | 1.8 | 4.3 | 55.2% | 59.3% | 38.0% | 48.1% | 45.3% | 49.7% | 43.0% |
| 2024 | 36/38 | 6.5 | 2.7 | 54.0% | 75.1% | 51.1% | 56.3% | 50.1% | 64.0% | 40.4% | 2018 | 5/5 | 0.8 | 3.6 | 61.5% | 57.2% | 33.7% | 51.0% | 52.9% | 48.2% | 45.1% |
| 2025 | 34/46 | 6.6 | 2.9 | 56.9% | 74.7% | 49.3% | 52.5% | 53.6% | 63.5% | 45.2% | — | —/— | — | — | — | — | — | — | — | — | — |
| 2026 | 37/38 | 5.9 | 2.5 | 58.2% | 72.9% | 49.6% | 52.0% | 47.3% | 63.2% | 42.7% | — | —/— | — | — | — | — | — | — | — | — | — |
| Career | 350/388 | 5.8 | 2.4 | 56.9% | 72.6% | 48.9% | 54.7% | 50.3% | 62.3% | 43.1% | Career | 102/114 | 1.3 | 3.7 | 62.1% | 57.6% | 42.5% | 48.9% | 52.1% | 51.9% | 42.1% |
Rows are aligned in career order because complete birth data is unavailable. 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.
| Naomi Osaka | Irina Falconi Hartman | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| 2014 | 1531 | 113.5 | +0.17 | +0.57 | 0.923 | 48.4% | +17 | — | — | 45.5% | 0.00 | 2–1 (67%) | 1–0 | — | -0.19 | 2010 | 1489 | 106.1 | +0.78 | +0.77 | 0.591 | 40.2% | — | — | — | 0.0% | -3.25 | — | — | — | -0.28 |
| 2015 | 1509 | 102.0 | — | — | — | — | — | — | — | 20.0% | -1.80 | 0–1 | — | — | 0.00 | 2011 | 1529 | 111.7 | -3.92 | -1.17 | 0.826 | 45.7% | -2 | +29 | — | 36.4% | -1.39 | 2–2 (50%) | 1–0 | — | -0.17 |
| 2016 | 1700 | 128.3 | +3.18 | +0.66 | 1.091 | 51.9% | -10 | -101 | — | 60.0% | +0.65 | 4–5 (44%) | 5–6 (45%) | 101.0 | +0.04 | 2012 | 1499 | 106.4 | -3.88 | +0.50 | 0.879 | 46.8% | -31 | +43 | +133 | 30.0% | -1.27 | 2–2 (50%) | 1–3 (25%) | 98.8 | +0.26 |
| 2017 | 1696 | 132.1 | +1.30 | -2.12 | 0.947 | 48.9% | +6 | -84 | -47 | 45.8% | -0.18 | 5–4 (56%) | 2–5 (29%) | 97.8 | -1.51 | 2013 | 1496 | 105.0 | +1.38 | +2.90 | 0.740 | 42.5% | — | — | — | 0.0% | -3.50 | — | — | — | -0.28 |
| 2018 | 1902 | 160.7 | +5.21 | +2.94 | 1.190 | 53.8% | +17 | -236 | -168 | 67.5% | +1.35 | 4–3 (57%) | 4–4 (50%) | 99.8 | -2.09 | 2014 | 1497 | 106.4 | -2.72 | -2.38 | 0.741 | 44.3% | -34 | — | — | 40.0% | -0.50 | — | — | — | +0.27 |
| 2019 | 2047 | 154.9 | +5.80 | +1.63 | 1.202 | 53.6% | +30 | -229 | -350 | 68.4% | +1.22 | 17–2 (89%) | 10–4 (71%) | 116.1 | +0.60 | 2015 | 1551 | 116.6 | -1.77 | -0.29 | 0.920 | 48.5% | -42 | +5 | +53 | 42.0% | -0.72 | 6–5 (55%) | 5–2 (71%) | 107.8 | -0.43 |
| 2020 | 2112 | 156.0 | +6.66 | +1.24 | 1.267 | 54.0% | +19 | — | — | 71.7% | +1.61 | 9–1 (90%) | 3–5 (38%) | 103.1 | -0.42 | 2016 | 1560 | 110.6 | -1.72 | -0.27 | 0.950 | 49.0% | -90 | +79 | — | 47.2% | -0.17 | 6–3 (67%) | 1–0 | — | +0.90 |
| 2021 | 2040 | 154.1 | +6.00 | +1.08 | 1.240 | 54.0% | +82 | -235 | — | 72.2% | +1.43 | 3–3 (50%) | 2–2 (50%) | 95.5 | -0.04 | 2017 | 1496 | 110.6 | -3.65 | -0.28 | 0.856 | 46.5% | -34 | — | — | 31.8% | -1.27 | 1–3 (25%) | 0–1 | — | +0.54 |
| 2022 | 1934 | 147.8 | +4.77 | +0.02 | 1.112 | 52.0% | +91 | -156 | — | 57.4% | +0.81 | 4–1 (80%) | 0–2 | — | -0.62 | 2018 | 1522 | 105.1 | -1.29 | -1.04 | 0.871 | 46.5% | — | — | — | 33.3% | -1.25 | 0–2 | — | — | +0.21 |
| 2024 | 1873 | 146.8 | +5.89 | -1.17 | 1.122 | 52.2% | +76 | -98 | -157 | 56.3% | +0.71 | 3–5 (38%) | 4–8 (33%) | 94.1 | -2.05 | 2019 | 1583 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2025 | 1966 | 153.3 | +4.79 | +1.97 | 1.240 | 54.1% | +59 | -128 | -253 | 65.4% | +1.12 | 11–9 (55%) | 10–6 (63%) | 101.6 | +0.92 | 2020 | 1575 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2026 | 2053 | 158.1 | +5.15 | +1.24 | 1.160 | 53.0% | +1 | -104 | -111 | 66.7% | +1.12 | 8–2 (80%) | 7–3 (70%) | 109.0 | -0.80 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 2179 | 157.0 | +4.72 | +0.85 | 1.143 | 52.6% | +35 | -157 | -155 | 62.7% | +0.95 | 70–37 (65%) | 48–45 (52%) | 107.0 | -1.65 | Career | 1612 | 114.7 | -2.63 | -0.36 | 0.876 | 47.2% | -38 | +44 | +97 | 37.9% | -0.93 | 17–17 (50%) | 8–6 (57%) | 106.2 | +0.89 |
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 |
|---|---|---|---|---|---|
| Elise Mertens | 7 | 4 | 11 | Sep 5, 2026 | H2H |
| Karolina Muchova | 4 | 4 | 8 | Jul 7, 2026 | H2H |
| Elina Svitolina | 5 | 3 | 8 | Aug 5, 2025 | H2H |
| Angelique Kerber | 2 | 5 | 7 | Jul 29, 2024 | H2H |
| Karolina Pliskova | 2 | 5 | 7 | Feb 16, 2024 | H2H |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Samantha Stosur | 0 | 3 | 3 | Aug 7, 2015 | H2H |
| Daria Saville | 1 | 1 | 2 | Jan 17, 2018 | H2H |
| Angelique Kerber | 0 | 2 | 2 | Jul 5, 2017 | H2H |
| Jelena Jankovic | 0 | 2 | 2 | Mar 10, 2017 | H2H |
| Carina Witthoeft | 0 | 2 | 2 | Feb 24, 2017 | H2H |