Ranking history updated: 2026-04-09 12:20 UTC
Ayumi Koshiishi WTA Ranking History
Explore every available weekly ranking snapshot for Ayumi Koshiishi, including age, ranking points, and links into the matching season tables.
Latest Rank
487
Latest date
Feb 16, 2026
Career high
370
Best year-end
449
Weeks at #1
0
Top 10 weeks
0
Top 100 weeks
0
Ranked Weeks
58
| Date | Week | Age | Rank | Points | |
|---|---|---|---|---|---|
| 2026 | Feb 16 | 8 | 25.6 | 487 | 112 |
| 2026 | Feb 9 | 7 | 25.5 | 486 | 112 |
| 2026 | Feb 2 | 6 | 25.5 | 486 | 113 |
| 2026 | Jan 26 | 5 | 25.5 | 484 | 113 |
| 2026 | Jan 19 | 4 | 25.5 | 484 | 113 |
| 2026 | Jan 5 | 2 | 25.4 | 449 | 124 |
| 2026 | Dec 29 | 1 | 25.4 | 449 | 124 |
| 2025 | Dec 22 | 52 | 25.4 | 449 | 124 |
| 2025 | Dec 15 | 51 | 25.4 | 449 | 124 |
| 2025 | Dec 8 | 50 | 25.4 | 449 | 124 |
| 2025 | Dec 1 | 49 | 25.3 | 449 | 124 |
| 2025 | Nov 24 | 48 | 25.3 | 462 | 115 |
| 2025 | Nov 17 | 47 | 25.3 | 462 | 115 |
| 2025 | Nov 10 | 46 | 25.3 | 462 | 115 |
| 2025 | Nov 3 | 45 | 25.3 | 462 | 115 |
| 2025 | Oct 27 | 44 | 25.2 | 462 | 115 |
| 2025 | Oct 20 | 43 | 25.2 | 434 | 119 |
| 2025 | Oct 13 | 42 | 25.2 | 434 | 119 |
| 2025 | Oct 6 | 41 | 25.2 | 434 | 119 |
| 2025 | Sep 29 | 40 | 25.2 | 434 | 119 |
| 2025 | Sep 22 | 39 | 25.2 | 434 | 119 |
| 2025 | Sep 15 | 38 | 25.1 | 383 | 149 |
| 2025 | Sep 8 | 37 | 25.1 | 383 | 149 |
| 2025 | Sep 1 | 36 | 25.1 | 383 | 149 |
| 2025 | Aug 25 | 35 | 25.1 | 383 | 149 |
| 2025 | Aug 18 | 34 | 25.1 | 372 | 158 |
| 2025 | Aug 11 | 33 | 25.0 | 372 | 158 |
| 2025 | Aug 4 | 32 | 25.0 | 372 | 158 |
| 2025 | Jul 28 | 31 | 25.0 | 372 | 158 |
| 2025 | Jul 21 | 30 | 25.0 | 370 | 158 |
| 2025 | Jul 14 | 29 | 25.0 | 370 | 158 |
| 2025 | Jul 7 | 28 | 24.9 | 370 | 158 |
| 2025 | Jun 30 | 27 | 24.9 | 370 | 158 |
| 2025 | Jun 23 | 26 | 24.9 | 390 | 151 |
| 2025 | Jun 16 | 25 | 24.9 | 390 | 151 |
| 2025 | Jun 9 | 24 | 24.9 | 390 | 151 |
| 2025 | Jun 2 | 23 | 24.8 | 390 | 151 |
| 2025 | May 26 | 22 | 24.8 | 390 | 151 |
| 2025 | May 19 | 21 | 24.8 | 408 | 137 |
| 2025 | May 12 | 20 | 24.8 | 408 | 137 |
| 2025 | May 5 | 19 | 24.8 | 408 | 137 |
| 2025 | Apr 28 | 18 | 24.8 | 408 | 137 |
| 2025 | Apr 21 | 17 | 24.7 | 408 | 137 |
| 2025 | Apr 14 | 16 | 24.7 | 413 | 137 |
| 2025 | Apr 7 | 15 | 24.7 | 413 | 137 |
| 2025 | Mar 31 | 14 | 24.7 | 413 | 137 |
| 2025 | Mar 24 | 13 | 24.7 | 444 | 127 |
| 2025 | Mar 17 | 12 | 24.6 | 444 | 127 |
| 2025 | Mar 10 | 11 | 24.6 | 444 | 127 |
| 2025 | Mar 3 | 10 | 24.6 | 444 | 127 |
| 2025 | Feb 24 | 9 | 24.6 | 444 | 127 |
| 2025 | Feb 17 | 8 | 24.6 | 454 | 123 |
| 2025 | Feb 10 | 7 | 24.5 | 454 | 123 |
| 2025 | Feb 3 | 6 | 24.5 | 454 | 123 |
| 2025 | Jan 27 | 5 | 24.5 | 454 | 123 |
| 2025 | Jan 20 | 4 | 24.5 | 474 | 112 |
| 2025 | Jan 13 | 3 | 24.5 | 474 | 112 |
| 2025 | Jan 6 | 2 | 24.4 | 474 | 112 |