M. Uchijima and O. Oliynykova are level 1-1 in their head-to-head since 2018 over 2 matches.
| Surface | M. Uchijima | O. Oliynykova |
|---|---|---|
| Clay | 1 | 1 |
| Date | Winner | Score | Event |
|---|---|---|---|
| July 6, 2026 | M. Uchijima | 2 - 1 | Bastad · 1/16-finals · clay |
| March 7, 2026 | O. Oliynykova | 2 - 0 | Antalya 2 · Semi-finals · clay |