H2H data updated: 2026-09-23 00:00 UTC
Yosuke Watanuki holds a 1–0 lead over Daniel Altmaier in their ATP head-to-head. Across 1 main-draw meeting, Yosuke Watanuki leads 1–0 on hard courts. Most recently, Yosuke Watanuki won the 2025 Canadian Open first round 3-6 6-1 6-4.
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| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Yosuke Watanuki | 3-6 6-1 6-4 | Daniel Altmaier | Match data | Jul 29, 2025* | R128 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daniel Altmaier | #67 | #44 | 1,148 | 1,774 | 80 | 133 | 37.6% | 0 | 0 | 0 | 0 | 0 | 0 |
| Yosuke Watanuki | #400 | #72 | 756 | 1,775 | 18 | 23 | 43.9% | 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 | Daniel Altmaier | Yosuke Watanuki | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 18 | 2017 | 2–3 | 40.0% | #275 | 1,540 | 0 | 0 | — | — | — | — | — | — | — |
| 20 | 2019 | 0–1 | 0.0% | #279 | 1,530 | 0 | 0 | 2018 | 1–2 | 33.3% | #194 | 1,573 | 0 | 0 |
| 21 | 2020 | 3–3 | 50.0% | #130 | 1,670 | 0 | 0 | 2019 | 0–1 | 0.0% | #263 | 1,584 | 0 | 0 |
| 22 | 2021 | 7–8 | 46.7% | #84 | 1,725 | 0 | 0 | — | — | — | — | — | — | — |
| 23 | 2022 | 5–21 | 19.2% | #94 | 1,564 | 0 | 0 | 2021 | 1–1 | 50.0% | #266 | 1,567 | 0 | 0 |
| 24 | 2023 | 14–22 | 38.9% | #56 | 1,648 | 0 | 0 | 2022 | 2–3 | 40.0% | #145 | 1,645 | 0 | 0 |
| 25 | 2024 | 12–22 | 35.3% | #89 | 1,629 | 0 | 0 | 2023 | 8–11 | 42.1% | #99 | 1,708 | 0 | 0 |
| 26 | 2025 | 22–28 | 44.0% | #46 | 1,758 | 0 | 0 | 2024 | 2–2 | 50.0% | #374 | 1,695 | 0 | 0 |
| 27 | 2026 | 15–25 | 37.5% | #67 | 1,692 | 0 | 0 | 2025 | 4–3 | 57.1% | #159 | 1,632 | 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 | Daniel Altmaier | Yosuke Watanuki | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | — | — | — | — | 0 | 2 | 2 | 0.0% | 2 | 1 | 3 | 66.7% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 20 | 2019 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — | 2018 | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — |
| 21 | 2020 | 0 | 2 | 2 | 0.0% | 3 | 1 | 4 | 75.0% | — | — | — | — | 2019 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — |
| 22 | 2021 | 1 | 1 | 2 | 50.0% | 6 | 6 | 12 | 50.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 23 | 2022 | 2 | 11 | 13 | 15.4% | 1 | 6 | 7 | 14.3% | 2 | 4 | 6 | 33.3% | 2021 | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — |
| 24 | 2023 | 4 | 12 | 16 | 25.0% | 10 | 8 | 18 | 55.6% | 0 | 2 | 2 | 0.0% | 2022 | 0 | 2 | 2 | 0.0% | 2 | 1 | 3 | 66.7% | — | — | — | — |
| 25 | 2024 | 7 | 10 | 17 | 41.2% | 4 | 11 | 15 | 26.7% | 1 | 1 | 2 | 50.0% | 2023 | 5 | 7 | 12 | 41.7% | 1 | 2 | 3 | 33.3% | 2 | 2 | 4 | 50.0% |
| 26 | 2025 | 15 | 18 | 33 | 45.5% | 6 | 7 | 13 | 46.2% | 1 | 3 | 4 | 25.0% | 2024 | 2 | 2 | 4 | 50.0% | — | — | — | — | — | — | — | — |
| 27 | 2026 | 3 | 10 | 13 | 23.1% | 8 | 11 | 19 | 42.1% | 4 | 4 | 8 | 50.0% | 2025 | 4 | 3 | 7 | 57.1% | — | — | — | — | — | — | — | — |
| Career | — | 32 | 64 | 96 | 33.3% | 38 | 53 | 91 | 41.8% | 10 | 16 | 26 | 38.5% | — | 13 | 18 | 31 | 41.9% | 3 | 3 | 6 | 50.0% | 2 | 2 | 4 | 50.0% |
Seasons are aligned by the age each player spent most of that calendar year. Detailed serve and return statistics available for 209/214 of Daniel Altmaier's and 41/41 of Yosuke Watanuki'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 | Daniel Altmaier | Yosuke Watanuki | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 5/5 | 8.0 | 3.0 | 60.9% | 71.1% | 44.6% | 56.4% | 32.9% | 60.5% | 28.9% | — | —/— | — | — | — | — | — | — | — | — | — |
| 20 | 2019 | 1/1 | 2.0 | 3.0 | 59.1% | 46.2% | 33.3% | 0.0% | 50.0% | 40.9% | 31.9% | 2018 | 3/3 | 6.3 | 3.7 | 57.8% | 72.2% | 51.3% | 45.5% | 31.9% | 63.7% | 31.0% |
| 21 | 2020 | 6/6 | 5.7 | 2.8 | 57.7% | 69.1% | 45.9% | 68.5% | 31.2% | 58.7% | 37.5% | 2019 | 1/1 | 7.0 | 7.0 | 58.0% | 72.5% | 48.3% | 66.7% | 0.0% | 62.3% | 29.4% |
| 22 | 2021 | 15/15 | 5.6 | 2.9 | 59.2% | 71.6% | 47.5% | 68.3% | 47.6% | 61.6% | 36.4% | — | —/— | — | — | — | — | — | — | — | — | — |
| 23 | 2022 | 26/26 | 6.8 | 2.7 | 61.2% | 69.6% | 46.0% | 59.0% | 37.1% | 60.5% | 32.0% | 2021 | 2/2 | 3.0 | 6.5 | 48.5% | 75.5% | 44.7% | 74.7% | 45.2% | 59.5% | 37.1% |
| 24 | 2023 | 35/36 | 5.9 | 2.3 | 65.7% | 68.6% | 51.6% | 61.3% | 38.7% | 62.8% | 34.7% | 2022 | 5/5 | 6.8 | 4.6 | 46.0% | 80.5% | 47.9% | 57.7% | 49.4% | 62.6% | 35.6% |
| 25 | 2024 | 34/34 | 5.9 | 2.6 | 63.2% | 69.9% | 48.5% | 56.5% | 37.3% | 61.8% | 34.1% | 2023 | 19/19 | 12.1 | 4.3 | 54.6% | 74.6% | 49.8% | 66.2% | 27.3% | 63.4% | 32.4% |
| 26 | 2025 | 47/50 | 7.7 | 2.5 | 59.6% | 71.8% | 46.4% | 55.1% | 36.3% | 61.6% | 33.3% | 2024 | 4/4 | 7.0 | 4.3 | 60.9% | 75.1% | 49.1% | 53.3% | 29.0% | 65.1% | 34.9% |
| 27 | 2026 | 40/41 | 6.5 | 3.1 | 63.6% | 70.2% | 46.9% | 51.5% | 34.0% | 61.5% | 33.7% | 2025 | 7/7 | 10.4 | 3.0 | 50.3% | 79.0% | 56.1% | 60.4% | 37.9% | 67.0% | 35.4% |
| Career | — | 209/214 | 6.6 | 2.7 | 62.1% | 70.1% | 47.6% | 57.2% | 37.2% | 61.5% | 33.8% | — | 41/42 | 9.7 | 4.2 | 53.4% | 75.9% | 50.4% | 61.8% | 32.5% | 63.9% | 33.6% |
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 | Daniel Altmaier | Yosuke Watanuki | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | |
| 18 | 2017 | 1541 | 104.5 | -1.83 | -2.08 | 0.731 | 44.9% | — | — | +66 | 33.3% | -1.17 | 2–0 | 2–2 (50%) | — | +0.15 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 19 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2017 | 1493 | 102.9 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 20 | 2019 | 1530 | 102.6 | -2.67 | -4.21 | 0.540 | 36.3% | — | — | — | 0.0% | -4.00 | — | — | — | 0.00 | 2018 | 1573 | 117.0 | -0.45 | +1.44 | 0.854 | 47.2% | +43 | — | — | 37.5% | -0.25 | 1–1 | 0–2 | — | -0.20 |
| 21 | 2020 | 1670 | 121.4 | -2.65 | +1.70 | 0.909 | 48.3% | — | +46 | — | 58.8% | -0.18 | 0–1 | 3–1 (75%) | — | -0.16 | 2019 | 1584 | 108.7 | -2.35 | -1.06 | 0.781 | 46.0% | — | — | — | 0.0% | -2.00 | — | — | — | +0.15 |
| 22 | 2021 | 1726 | 125.4 | -2.00 | -0.47 | 0.947 | 49.7% | — | +75 | — | 45.7% | 0.00 | 3–4 (43%) | 1–5 (17%) | 95.3 | -0.06 | 2020 | 1570 | 92.7 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 23 | 2022 | 1564 | 125.6 | -1.76 | -3.41 | 0.811 | 46.4% | -64 | +115 | +4 | 26.9% | -1.31 | 3–6 (33%) | 3–8 (27%) | 95.9 | -0.18 | 2021 | 1567 | 109.2 | +1.10 | -1.14 | 0.916 | 48.1% | — | — | — | 40.0% | -0.20 | 1–0 | — | — | -0.18 |
| 24 | 2023 | 1648 | 137.5 | -1.07 | -0.53 | 0.932 | 48.9% | -114 | +131 | — | 44.2% | -0.29 | 3–10 (23%) | 6–10 (38%) | 93.8 | +0.65 | 2022 | 1645 | 119.0 | +0.87 | -2.04 | 0.950 | 49.5% | — | -94 | — | 57.1% | +1.00 | 1–0 | 0–2 | — | -0.36 |
| 25 | 2024 | 1630 | 131.3 | -1.48 | -1.33 | 0.893 | 48.3% | -32 | +35 | — | 40.7% | -0.52 | 3–5 (38%) | 12–9 (57%) | 101.5 | +0.54 | 2023 | 1708 | 134.9 | -0.38 | -1.46 | 0.887 | 48.2% | -11 | -73 | -11 | 45.1% | -0.31 | 2–5 (29%) | 9–7 (56%) | 100.9 | -0.77 |
| 26 | 2025 | 1758 | 141.9 | -1.65 | -1.43 | 0.865 | 47.6% | -36 | -1 | -218 | 43.1% | -0.49 | 8–7 (53%) | 10–13 (43%) | 104.3 | +0.62 | 2024 | 1695 | 121.3 | -0.44 | +1.71 | 1.000 | 49.5% | -3 | — | — | 45.5% | -0.27 | 1–0 | 1–1 | — | -0.15 |
| 27 | 2026 | 1693 | 131.4 | -2.35 | -1.33 | 0.876 | 47.9% | -62 | +40 | -113 | 37.8% | -0.81 | 7–4 (64%) | 8–10 (44%) | 104.4 | -1.71 | 2025 | 1632 | 117.4 | +0.61 | +0.28 | 1.074 | 50.6% | +13 | — | — | 50.0% | +0.19 | 2–2 (50%) | 1–2 (33%) | — | -0.09 |
| 28 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2026 | 1590 | 96.5 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 1775 | 137.0 | -1.74 | -1.36 | 0.877 | 47.9% | -56 | +63 | -74 | 40.2% | -0.61 | 29–37 (44%) | 45–58 (44%) | 99.6 | -0.07 | — | 1776 | 126.4 | -0.05 | -0.69 | 0.931 | 48.8% | +3 | -84 | -11 | 45.0% | -0.16 | 8–8 (50%) | 11–14 (44%) | 103.8 | -3.90 |
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 |
|---|---|---|---|---|---|
| Arthur Fils | 3 | 3 | 6 | Feb 7, 2025 | H2H |
| Frances Tiafoe | 0 | 5 | 5 | Jun 20, 2026 | H2H |
| Felix Auger-Aliassime | 2 | 3 | 5 | May 26, 2026 | H2H |
| Alexander Zverev | 1 | 4 | 5 | May 9, 2026 | H2H |
| Miomir Kecmanovic | 1 | 3 | 4 | Mar 4, 2026 | H2H |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Frances Tiafoe | 1 | 2 | 3 | Jul 30, 2025 | H2H |
| Taylor Fritz | 0 | 2 | 2 | Oct 7, 2024 | H2H |
| Jaume Munar | 1 | 1 | 2 | Sep 29, 2022 | H2H |
| Nuno Borges | 0 | 1 | 1 | Sep 27, 2025 | H2H |
| Daniel Altmaier | 1 | 0 | 1 | Jul 29, 2025 | H2H |