Match log updated: 2026-08-11 01:15 UTC
Kei Nishikori — ATP Match Log
18 main-draw matches · 9–9 · 50.0% wins
| Opponent | Score | Result | H2H | Match Data | Date ↓ | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|---|
| Camilo Ugo Carabelli | 5-7 3-6 | L | H2H | Match data | Aug 9, 2025* | R128 | Cincinnati Open | Masters 1000 | Hard |
| Karen Khachanov | 5-7 5-2 (ret.) | L | H2H | Match data | May 22, 2025* | R16 | Geneva Open | ATP 250 | Clay |
| Learner Tien | 4-6 6-4 6-4 | W | H2H | Match data | May 21, 2025* | R32 | Geneva Open | ATP 250 | Clay |
| Denis Shapovalov | 1-6 4-6 | L | H2H | Match data | Apr 26, 2025* | R64 | Madrid Open | Masters 1000 | Clay |
| Aleksandar Vukic | 6-4 3-6 6-3 | W | H2H | Match data | Apr 25, 2025* | R128 | Madrid Open | Masters 1000 | Clay |
| Christopher Eubanks | 1-6 | L | H2H | Match data | Apr 4, 2025* | R16 | U.S. Men's Clay Court Championship | ATP 250 | Clay |
| Mitchell Krueger | 6-4 6-2 | W | H2H | Match data | Apr 3, 2025* | R32 | U.S. Men's Clay Court Championship | ATP 250 | Clay |
| Ugo Humbert | 4-6 3-6 | L | H2H | Match data | Mar 8, 2025* | R64 | Indian Wells Open | Masters 1000 | Hard |
| Jaume Munar | 6-2 5-7 7-6(3) | W | H2H | Match data | Mar 7, 2025* | R128 | Indian Wells Open | Masters 1000 | Hard |
| Mackenzie McDonald | 6-7(4) 6-4 5-7 | L | H2H | Match data | Feb 13, 2025* | R32 | Delray Beach Open | ATP 250 | Hard |
| Tomas Machac | 2-6 2-6 | L | H2H | Match data | Feb 6, 2025* | R32 | Dallas Open | ATP 500 | Hard |
| Tommy Paul | 7-6 0-6 3-6 1-6 | L | H2H | Match data | Jan 16, 2025* | R64 | Australian Open | Grand Slam | Hard |
| Thiago Monteiro | 4-6 6-7 7-5 6-2 6-3 | W | H2H | Match data | Jan 14, 2025* | R128 | Australian Open | Grand Slam | Hard |
| Alexandre Muller | 6-2 1-6 3-6 | L | H2H | Match data | Jan 5, 2025* | F | Hong Kong Open | ATP 250 | Hard |
| Juncheng Shang | 4-3 (ret.) | W | H2H | Match data | Jan 4, 2025* | SF | Hong Kong Open | ATP 250 | Hard |
| Cameron Norrie | 6-3 3-6 6-2 | W | H2H | Match data | Jan 4, 2025* | QF | Hong Kong Open | ATP 250 | Hard |
| Karen Khachanov | 4-6 6-3 7-5 | W | H2H | Match data | Jan 3, 2025* | R16 | Hong Kong Open | ATP 250 | Hard |
| Denis Shapovalov | 6-2 6-3 | W | H2H | Match data | Jan 2, 2025* | R32 | Hong Kong Open | ATP 250 | Hard |
Estimated from the tournament schedule where an exact match date is unavailable. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Mapping details.