H2H data updated: 2026-07-18 19:16 UTC
Gabriel Diallo vs Christopher O'Connell H2H: 1-0
Gabriel Diallo holds a 1–0 lead over Christopher O'Connell in their ATP head-to-head. Across 1 main-draw meeting, Gabriel Diallo leads 1–0 on hard courts. Most recently, Gabriel Diallo won the 2024 Almaty third round 7-6(5) 6-2.
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Canada
Age 24
Right-Handed
203 cm / 6'8"
H2H
1
–
0
1 main draw meetings
Australia
Age 32
Right-Handed
183 cm / 6'0"
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Oct 17, 2024* | Almaty | ATP 250 | R32 | Hard | Gabriel Diallo | 7-6(5) 6-2 | Christopher O'Connell | Match data |
* 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 | #93 | #33 | 1,388 | 1,874 | 43 | 50 | 46.2% | 0 | 0 | 0 | 0 | 1 | 1 |
| Christopher O'Connell | #127 | #53 | 930 | 1,820 | 62 | 96 | 39.2% | 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 | Christopher O'Connell | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 21 | 2023 | 1–4 | 20.0% | #139 | 1,477 | 0 | 0 | — | — | — | — | — | — | — |
| 22 | 2024 | 6–7 | 46.2% | #87 | 1,721 | 0 | 0 | — | — | — | — | — | — | — |
| 23 | 2025 | 28–23 | 54.9% | #41 | 1,809 | 0 | 1 | 2017 | 0–2 | 0.0% | #393 | 1,524 | 0 | 0 |
| 24 | 2026 | 8–16 | 33.3% | #93 | 1,695 | 0 | 1 | — | — | — | — | — | — | — |
| 26 | — | — | — | — | — | — | — | 2020 | 1–2 | 33.3% | #120 | 1,510 | 0 | 0 |
| 27 | — | — | — | — | — | — | — | 2021 | 4–9 | 30.8% | #175 | 1,660 | 0 | 0 |
| 28 | — | — | — | — | — | — | — | 2022 | 6–12 | 33.3% | #78 | 1,707 | 0 | 0 |
| 29 | — | — | — | — | — | — | — | 2023 | 19–23 | 45.2% | #68 | 1,719 | 0 | 0 |
| 30 | — | — | — | — | — | — | — | 2024 | 17–22 | 43.6% | #64 | 1,742 | 0 | 0 |
| 31 | — | — | — | — | — | — | — | 2025 | 13–20 | 39.4% | #116 | 1,658 | 0 | 0 |
| 32 | — | — | — | — | — | — | — | 2026 | 2–6 | 25.0% | #127 | 1,606 | 0 | 0 |