H2H data updated: 2026-08-04 02:15 UTC
Gabriel Diallo vs Daniel Altmaier H2H: 1-0
Gabriel Diallo holds a 1–0 lead over Daniel Altmaier in their ATP head-to-head. Across 1 main-draw meeting, Gabriel Diallo leads 1–0 on grass. Most recently, Gabriel Diallo won the 2025 Wimbledon first round 6-1 6-2 6-4.
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Canada
Age 24
Right-Handed
203 cm / 6'8"
H2H
1
–
0
1 main draw meetings
Germany
Age 27
Right-Handed
188 cm / 6'2"
H2H Match Log
| Winner | Score | Loser | Match Data | Date | Tournament | Category | Round | Surface |
|---|---|---|---|---|---|---|---|---|
| Gabriel Diallo | 6-1 6-2 6-4 | Daniel Altmaier | Match data | Jul 2, 2025* | Wimbledon | Grand Slam | R128 | Grass |
* Estimated match date where the exact historical date is unavailable.
Career Comparison
| Player | Current | Peak | Pts | Elo | W | L | Win % | GS | 1000 | Finals | 500 | 250 | Titles |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gabriel Diallo | #108 | #33 | 1,388 | 1,873 | 44 | 51 | 46.3% | 0 | 0 | 0 | 0 | 1 | 1 |
| Daniel Altmaier | #60 | #44 | 1,148 | 1,749 | 76 | 128 | 37.3% | 0 | 0 | 0 | 0 | 0 | 0 |
Career Progression by Age
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 | Gabriel Diallo | 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 | — | — | — | — | — | — | — | 2019 | 0–1 | 0.0% | #279 | 1,530 | 0 | 0 |
| 21 | 2023 | 1–4 | 20.0% | #139 | 1,477 | 0 | 0 | 2020 | 3–3 | 50.0% | #130 | 1,670 | 0 | 0 |
| 22 | 2024 | 6–7 | 46.2% | #87 | 1,720 | 0 | 0 | 2021 | 7–8 | 46.7% | #84 | 1,725 | 0 | 0 |
| 23 | 2025 | 28–23 | 54.9% | #41 | 1,809 | 0 | 1 | 2022 | 5–21 | 19.2% | #94 | 1,563 | 0 | 0 |
| 24 | 2026 | 9–17 | 34.6% | #108 | 1,689 | 0 | 1 | 2023 | 14–22 | 38.9% | #56 | 1,647 | 0 | 0 |
| 25 | — | — | — | — | — | — | — | 2024 | 12–22 | 35.3% | #89 | 1,629 | 0 | 0 |
| 26 | — | — | — | — | — | — | — | 2025 | 20–27 | 42.6% | #46 | 1,742 | 0 | 0 |
| 27 | — | — | — | — | — | — | — | 2026 | 13–21 | 38.2% | #60 | 1,720 | 0 | 0 |