H2H data updated: 2026-09-03 00:00 UTC
Compare the head-to-head record, career totals, season-by-season performance, and match log for Tallon Griekspoor vs Daniel Altmaier.
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| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Daniel Altmaier | 6-1 6-3 | Tallon Griekspoor | Match data | Sep 27, 2020* | Q1 | Roland Garros | Grand Slam | Clay |
1 qualifying meeting shown in the table; qualifying is excluded from the H2H score. 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tallon Griekspoor | #56 | #21 | 1,785 | 1,978 | 125 | 123 | 50.4% | 0 | 0 | 0 | 0 | 3 | 3 |
| Daniel Altmaier | #57 | #44 | 1,148 | 1,774 | 80 | 133 | 37.6% | 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 | Tallon Griekspoor | Daniel Altmaier | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 2017 | 0–2 | 0.0% | #232 | 1,487 | 0 | 0 | 2019 | 0–1 | 0.0% | #279 | 1,530 | 0 | 0 |
| 21 | 2018 | 1–1 | 50.0% | #231 | 1,523 | 0 | 0 | 2020 | 3–3 | 50.0% | #130 | 1,670 | 0 | 0 |
| 22 | 2019 | 1–1 | 50.0% | #178 | 1,538 | 0 | 0 | 2021 | 7–8 | 46.7% | #84 | 1,725 | 0 | 0 |
| 23 | 2020 | 0–2 | 0.0% | #153 | 1,556 | 0 | 0 | 2022 | 5–21 | 19.2% | #94 | 1,564 | 0 | 0 |
| 24 | 2021 | 4–6 | 40.0% | #65 | 1,693 | 0 | 0 | 2023 | 14–22 | 38.9% | #56 | 1,648 | 0 | 0 |
| 25 | 2022 | 14–24 | 36.8% | #95 | 1,672 | 0 | 0 | 2024 | 12–22 | 35.3% | #89 | 1,629 | 0 | 0 |
| 26 | 2023 | 34–23 | 59.6% | #23 | 1,849 | 0 | 2 | 2025 | 22–28 | 44.0% | #46 | 1,758 | 0 | 0 |
| 27 | 2024 | 29–24 | 54.7% | #40 | 1,864 | 0 | 2 | 2026 | 15–25 | 37.5% | #57 | 1,692 | 0 | 0 |
| 28 | 2025 | 30–24 | 55.6% | #26 | 1,823 | 0 | 3 | — | — | — | — | — | — | — |
| 29 | 2026 | 12–16 | 42.9% | #56 | 1,725 | 0 | 3 | — | — | — | — | — | — | — |
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 | Tallon Griekspoor | Daniel Altmaier | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 2017 | 0 | 1 | 1 | 0.0% | — | — | — | — | 0 | 1 | 1 | 0.0% | 2019 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — |
| 21 | 2018 | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | 2020 | 0 | 2 | 2 | 0.0% | 3 | 1 | 4 | 75.0% | — | — | — | — |
| 22 | 2019 | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | 2021 | 1 | 1 | 2 | 50.0% | 6 | 6 | 12 | 50.0% | 0 | 1 | 1 | 0.0% |
| 23 | 2020 | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — | 2022 | 2 | 11 | 13 | 15.4% | 1 | 6 | 7 | 14.3% | 2 | 4 | 6 | 33.3% |
| 24 | 2021 | 3 | 3 | 6 | 50.0% | 1 | 2 | 3 | 33.3% | 0 | 1 | 1 | 0.0% | 2023 | 4 | 12 | 16 | 25.0% | 10 | 8 | 18 | 55.6% | 0 | 2 | 2 | 0.0% |
| 25 | 2022 | 5 | 14 | 19 | 26.3% | 4 | 6 | 10 | 40.0% | 5 | 4 | 9 | 55.6% | 2024 | 7 | 10 | 17 | 41.2% | 4 | 11 | 15 | 26.7% | 1 | 1 | 2 | 50.0% |
| 26 | 2023 | 24 | 15 | 39 | 61.5% | 3 | 6 | 9 | 33.3% | 7 | 2 | 9 | 77.8% | 2025 | 15 | 18 | 33 | 45.5% | 6 | 7 | 13 | 46.2% | 1 | 3 | 4 | 25.0% |
| 27 | 2024 | 17 | 13 | 30 | 56.7% | 8 | 8 | 16 | 50.0% | 4 | 3 | 7 | 57.1% | 2026 | 3 | 10 | 13 | 23.1% | 8 | 11 | 19 | 42.1% | 4 | 4 | 8 | 50.0% |
| 28 | 2025 | 15 | 16 | 31 | 48.4% | 11 | 7 | 18 | 61.1% | 4 | 1 | 5 | 80.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 29 | 2026 | 10 | 8 | 18 | 55.6% | 1 | 5 | 6 | 16.7% | 1 | 3 | 4 | 25.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 76 | 74 | 150 | 50.7% | 28 | 34 | 62 | 45.2% | 21 | 15 | 36 | 58.3% | — | 32 | 64 | 96 | 33.3% | 38 | 53 | 91 | 41.8% | 10 | 16 | 26 | 38.5% |
Seasons are aligned by the age each player spent most of that calendar year. Detailed serve and return statistics available for 241/248 of Tallon Griekspoor's and 209/213 of Daniel Altmaier'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 | Tallon Griekspoor | Daniel Altmaier | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 2017 | 2/2 | 0.5 | 1.0 | 62.6% | 62.8% | 42.3% | 47.1% | 50.0% | 55.2% | 20.5% | 2019 | 1/1 | 2.0 | 3.0 | 59.1% | 46.2% | 33.3% | 0.0% | 50.0% | 40.9% | 31.9% |
| 21 | 2018 | 2/2 | 2.0 | 0.5 | 67.6% | 67.2% | 50.0% | 25.0% | 68.8% | 61.6% | 33.4% | 2020 | 6/6 | 5.7 | 2.8 | 57.7% | 69.1% | 45.9% | 68.5% | 31.2% | 58.7% | 37.5% |
| 22 | 2019 | 2/2 | 1.0 | 2.0 | 73.4% | 69.2% | 55.4% | 53.3% | 37.5% | 63.4% | 29.0% | 2021 | 15/15 | 5.6 | 2.9 | 59.2% | 71.6% | 47.5% | 68.3% | 47.6% | 61.6% | 36.4% |
| 23 | 2020 | 2/2 | 3.5 | 3.0 | 64.6% | 68.9% | 33.2% | 52.8% | 0.0% | 56.2% | 21.2% | 2022 | 26/26 | 6.8 | 2.7 | 61.2% | 69.6% | 46.0% | 59.0% | 37.1% | 60.5% | 32.0% |
| 24 | 2021 | 10/10 | 9.5 | 3.9 | 67.9% | 69.5% | 53.1% | 64.1% | 37.7% | 64.0% | 29.0% | 2023 | 35/36 | 5.9 | 2.3 | 65.7% | 68.6% | 51.6% | 61.3% | 38.7% | 62.8% | 34.7% |
| 25 | 2022 | 37/38 | 7.1 | 3.1 | 63.3% | 72.2% | 51.2% | 62.4% | 29.5% | 64.5% | 33.5% | 2024 | 34/34 | 5.9 | 2.6 | 63.2% | 69.9% | 48.5% | 56.5% | 37.3% | 61.8% | 34.1% |
| 26 | 2023 | 55/57 | 8.7 | 3.5 | 63.2% | 77.2% | 52.3% | 61.2% | 40.6% | 68.0% | 33.6% | 2025 | 47/50 | 7.7 | 2.5 | 59.6% | 71.8% | 46.4% | 55.1% | 36.3% | 61.6% | 33.3% |
| 27 | 2024 | 51/53 | 9.2 | 3.7 | 63.2% | 75.2% | 51.6% | 57.0% | 38.7% | 66.7% | 32.7% | 2026 | 40/40 | 6.5 | 3.1 | 63.8% | 70.2% | 46.9% | 51.5% | 34.1% | 61.6% | 33.8% |
| 28 | 2025 | 53/54 | 8.6 | 3.2 | 65.3% | 74.6% | 52.1% | 62.8% | 36.0% | 66.8% | 32.4% | — | —/— | — | — | — | — | — | — | — | — | — |
| 29 | 2026 | 27/28 | 8.6 | 3.6 | 63.6% | 73.5% | 54.2% | 53.1% | 39.6% | 66.4% | 32.0% | — | —/— | — | — | — | — | — | — | — | — | — |
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 | Tallon Griekspoor | Daniel Altmaier | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 2016 | 1495 | 100.7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 20 | 2017 | 1487 | 105.1 | -3.88 | -0.50 | 0.458 | 38.5% | — | — | — | 0.0% | -3.50 | — | — | — | -0.12 | 2019 | 1530 | 102.6 | -2.67 | -4.21 | 0.540 | 36.3% | — | — | — | 0.0% | -4.00 | — | — | — | 0.00 |
| 21 | 2018 | 1524 | 113.7 | -1.38 | -0.40 | 0.869 | 47.2% | — | — | — | 40.0% | -0.60 | 1–0 | — | — | -0.01 | 2020 | 1670 | 121.4 | -2.65 | +1.70 | 0.909 | 48.3% | — | +46 | — | 58.8% | -0.18 | 0–1 | 3–1 (75%) | — | -0.16 |
| 22 | 2019 | 1538 | 114.6 | -0.69 | +1.41 | 0.792 | 46.8% | — | — | — | 40.0% | -0.40 | 1–0 | 0–1 | — | -0.14 | 2021 | 1726 | 125.4 | -2.00 | -0.47 | 0.947 | 49.7% | — | +75 | — | 45.7% | 0.00 | 3–4 (43%) | 1–5 (17%) | — | -0.06 |
| 23 | 2020 | 1556 | 110.6 | +0.02 | -0.87 | 0.484 | 40.2% | — | — | — | 0.0% | -3.20 | — | — | — | -0.13 | 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%) | — | -0.18 |
| 24 | 2021 | 1693 | 126.5 | +0.98 | -3.01 | 0.805 | 46.9% | +35 | -165 | — | 39.3% | -0.86 | 4–2 (67%) | 4–4 (50%) | — | -0.24 | 2023 | 1648 | 137.5 | -1.07 | -0.53 | 0.932 | 48.9% | -114 | +131 | — | 44.2% | -0.29 | 3–10 (23%) | 6–10 (38%) | — | +0.65 |
| 25 | 2022 | 1672 | 133.1 | +0.89 | -2.39 | 0.946 | 48.9% | -63 | -67 | +84 | 44.9% | -0.41 | 4–12 (25%) | 12–12 (50%) | — | -0.33 | 2024 | 1630 | 131.3 | -1.48 | -1.33 | 0.893 | 48.3% | -32 | +35 | — | 40.7% | -0.52 | 3–5 (38%) | 12–9 (57%) | — | +0.54 |
| 26 | 2023 | 1850 | 155.5 | +3.94 | -1.35 | 1.049 | 50.8% | -6 | -235 | -14 | 56.8% | +0.27 | 15–10 (60%) | 16–15 (52%) | — | +0.44 | 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%) | — | +0.62 |
| 27 | 2024 | 1865 | 151.7 | +2.96 | -1.57 | 0.981 | 49.9% | +8 | -145 | -32 | 51.8% | -0.06 | 13–11 (54%) | 19–17 (53%) | — | -1.65 | 2026 | 1693 | 131.4 | -2.36 | -1.22 | 0.878 | 47.9% | -61 | +40 | -113 | 37.8% | -0.81 | 7–4 (64%) | 8–10 (44%) | — | -1.70 |
| 28 | 2025 | 1824 | 148.5 | +2.68 | -2.01 | 0.974 | 50.0% | -13 | -29 | +57 | 52.5% | +0.07 | 14–10 (58%) | 23–15 (61%) | — | -1.38 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 29 | 2026 | 1725 | 140.4 | +1.60 | -2.48 | 0.954 | 49.4% | +116 | -17 | +43 | 45.7% | -0.27 | 4–5 (44%) | 6–9 (40%) | — | +0.58 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 1978 | 149.0 | +2.42 | -1.86 | 0.964 | 49.6% | +5 | -100 | +25 | 49.8% | -0.13 | 56–50 (53%) | 80–73 (52%) | 105.8 | -1.22 | — | 1775 | 137.0 | -1.74 | -1.34 | 0.877 | 47.9% | -56 | +63 | -74 | 40.2% | -0.61 | 29–37 (44%) | 45–58 (44%) | 99.6 | -0.07 |
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 |
|---|---|---|---|---|---|
| Alexander Zverev | 3 | 9 | 12 | Aug 5, 2026 | H2H |
| Jannik Sinner | 1 | 4 | 5 | Oct 6, 2025 | H2H |
| Miomir Kecmanovic | 4 | 1 | 5 | May 9, 2025 | H2H |
| Hubert Hurkacz | 2 | 3 | 5 | Jan 14, 2025 | H2H |
| Botic van de Zandschulp | 3 | 1 | 4 | Jun 10, 2026 | H2H |
| 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 |