By surface
| Surface | Monica Niculescu | Youhei Tsuji |
|---|---|---|
| Hard | 3 | 5 |
All meetings (8)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2018-02-19 | WTA | Budapest | Round of 32 | Hard | Kirsten Flipkens | 3-6 | 5-7 | |||
| 2017-02-11 | WTA | Fed Cup WG2 R1: ROU vs BEL | Round Robin | Hard | Kirsten Flipkens | 3-6 | 4-6 | |||
| 2017-01-09 | WTA | Hobart | Round of 16 | Hard | Monica Niculescu | 6-3 | 6-2 | |||
| 2016-10-17 | WTA | Luxembourg | Round of 32 | Hard | Monica Niculescu | 6-4 | 6-2 | |||
| 2015-04-06 | WTA | Katowice | Round of 16 | Hard | Kirsten Flipkens | 7-66 | 1-6 | 4-6 | ||
| 2015-02-09 | WTA | Antwerp | Round of 32 | Hard | Monica Niculescu | 6-3 | 6-2 | |||
| 2013-03-04 | WTA | Indian Wells | Round of 64 | Hard | Kirsten Flipkens | 6-4 | 4-6 | 3-6 | ||
| 2013-01-07 | WTA | Hobart | Quarterfinal | Hard | Kirsten Flipkens | 6-2 | 4-6 | 0-6 |