H2H data updated: 2026-11-08 00:00 UTC
Yunchaokete Bu holds a 1–0 lead over Daniel Altmaier in their ATP head-to-head. Across 1 main-draw meeting, Yunchaokete Bu leads 1–0 on hard courts. Most recently, Yunchaokete Bu won the 2025 Montpellier Open first round 7-6(1) 6-3.
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| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Yunchaokete Bu | 7-6(1) 6-3 | Daniel Altmaier | Match data | Jan 30, 2025* | R32 | Montpellier Open | ATP 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daniel Altmaier | #63 | #44 | 1,148 | 1,780 | 84 | 136 | 38.2% | 0 | 0 | 0 | 0 | 0 | 0 |
| Yunchaokete Bu | #93 | #64 | 905 | 1,666 | 17 | 32 | 34.7% | 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 | Yunchaokete Bu | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | — | — | — | — | — | — | — |
| 21 | 2020 | 3–3 | 50.0% | #130 | 1,670 | 0 | 0 | — | — | — | — | — | — | — |
| 22 | 2021 | 7–8 | 46.7% | #84 | 1,725 | 0 | 0 | — | — | — | — | — | — | — |
| 23 | 2022 | 5–21 | 19.2% | #94 | 1,564 | 0 | 0 | 2025 | 12–27 | 30.8% | #123 | 1,573 | 0 | 0 |
| 24 | 2023 | 14–22 | 38.9% | #56 | 1,648 | 0 | 0 | 2026 | 5–5 | 50.0% | #93 | 1,659 | 0 | 0 |
| 25 | 2024 | 12–22 | 35.3% | #89 | 1,629 | 0 | 0 | — | — | — | — | — | — | — |
| 26 | 2025 | 22–28 | 44.0% | #46 | 1,763 | 0 | 0 | — | — | — | — | — | — | — |
| 27 | 2026 | 19–28 | 40.4% | #63 | 1,702 | 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 | Yunchaokete Bu | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 21 | 2020 | 0 | 2 | 2 | 0.0% | 3 | 1 | 4 | 75.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 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% | 2025 | 12 | 18 | 30 | 40.0% | 0 | 7 | 7 | 0.0% | 0 | 2 | 2 | 0.0% |
| 24 | 2023 | 4 | 12 | 16 | 25.0% | 10 | 8 | 18 | 55.6% | 0 | 2 | 2 | 0.0% | 2026 | 5 | 5 | 10 | 50.0% | — | — | — | — | — | — | — | — |
| 25 | 2024 | 7 | 10 | 17 | 41.2% | 4 | 11 | 15 | 26.7% | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 26 | 2025 | 15 | 18 | 33 | 45.5% | 6 | 7 | 13 | 46.2% | 1 | 3 | 4 | 25.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 27 | 2026 | 7 | 13 | 20 | 35.0% | 8 | 11 | 19 | 42.1% | 4 | 4 | 8 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 36 | 67 | 103 | 35.0% | 38 | 53 | 91 | 41.8% | 10 | 16 | 26 | 38.5% | — | 17 | 23 | 40 | 42.5% | 0 | 7 | 7 | 0.0% | 0 | 2 | 2 | 0.0% |
Seasons are aligned by the age each player spent most of that calendar year. Detailed serve and return statistics available for 216/221 of Daniel Altmaier's and 49/52 of Yunchaokete Bu'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 | Yunchaokete Bu | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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% | — | —/— | — | — | — | — | — | — | — | — | — |
| 21 | 2020 | 6/6 | 5.7 | 2.8 | 57.7% | 69.1% | 45.9% | 68.5% | 31.2% | 58.7% | 37.5% | — | —/— | — | — | — | — | — | — | — | — | — |
| 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% | 2025 | 39/39 | 6.7 | 1.9 | 56.4% | 73.4% | 49.2% | 58.3% | 35.3% | 62.8% | 34.2% |
| 24 | 2023 | 35/36 | 5.9 | 2.3 | 65.7% | 68.6% | 51.6% | 61.3% | 38.7% | 62.8% | 34.7% | 2026 | 10/13 | 7.1 | 2.2 | 64.6% | 75.2% | 51.7% | 49.0% | 31.2% | 66.4% | 32.7% |
| 25 | 2024 | 34/34 | 5.9 | 2.6 | 63.2% | 69.9% | 48.5% | 56.5% | 37.3% | 61.8% | 34.1% | — | —/— | — | — | — | — | — | — | — | — | — |
| 26 | 2025 | 47/50 | 7.7 | 2.5 | 59.6% | 71.8% | 46.4% | 55.1% | 36.3% | 61.6% | 33.3% | — | —/— | — | — | — | — | — | — | — | — | — |
| 27 | 2026 | 47/48 | 7.0 | 2.9 | 63.7% | 70.7% | 48.6% | 53.1% | 34.3% | 62.5% | 33.0% | — | —/— | — | — | — | — | — | — | — | — | — |
| Career | — | 216/221 | 6.7 | 2.6 | 62.2% | 70.3% | 48.0% | 57.4% | 37.1% | 61.7% | 33.7% | — | 49/52 | 6.8 | 2.0 | 58.1% | 73.8% | 49.7% | 56.4% | 34.4% | 63.5% | 33.9% |
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 | Yunchaokete Bu | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 20 | 2019 | 1530 | 102.6 | -2.67 | -4.21 | 0.540 | 36.3% | — | — | — | 0.0% | -4.00 | — | — | — | 0.00 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 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 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 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 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 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 | 2025 | 1574 | 134.2 | -0.62 | -1.19 | 0.919 | 48.7% | +8 | -49 | — | 38.3% | -0.35 | 2–7 (22%) | 5–18 (22%) | 89.2 | -0.13 |
| 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 | 2026 | 1660 | 128.4 | +1.82 | -2.16 | 0.973 | 49.5% | 0 | — | — | 48.1% | +0.04 | 2–1 (67%) | 2–4 (33%) | 101.5 | -0.28 |
| 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 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 26 | 2025 | 1764 | 138.9 | -1.65 | -1.43 | 0.865 | 47.6% | -42 | +17 | -233 | 45.3% | -0.41 | 6–7 (46%) | 9–12 (43%) | 101.3 | +0.64 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 27 | 2026 | 1703 | 135.4 | -1.89 | -1.22 | 0.881 | 48.0% | -53 | +40 | -128 | 41.7% | -0.61 | 10–4 (71%) | 12–12 (50%) | 109.1 | -2.19 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 1780 | 136.8 | -1.66 | -1.34 | 0.878 | 47.9% | -57 | +65 | -83 | 41.2% | -0.56 | 30–37 (45%) | 48–59 (45%) | 100.5 | -0.28 | — | 1667 | 131.9 | -0.12 | -1.39 | 0.929 | 48.9% | +6 | -49 | — | 40.7% | -0.25 | 4–8 (33%) | 7–22 (24%) | 91.2 | -0.84 |
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 |
|---|---|---|---|---|---|
| Alex de Minaur | 0 | 3 | 3 | Sep 28, 2025 | H2H |
| Juan Manuel Cerundolo | 2 | 0 | 2 | Sep 30, 2026 | H2H |
| Michael Zheng | 1 | 1 | 2 | Sep 24, 2026 | H2H |
| Luciano Darderi | 0 | 2 | 2 | Oct 4, 2025 | H2H |
| Casper Ruud | 0 | 1 | 1 | Oct 10, 2026 | H2H |