3-0
E. leads 3-0, 3 meetings, 2017 to 2019, 1 walkover not counted
01/By surface
each with its own count, at equal weight
Hard
2-0
E. leads 2-0 in 2 meetings on hard
Clay
Never on clay
no meeting on this surface
Grass
1-0
E. leads 1-0 in 1 meeting on grass
02/Every meeting
4 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, E. first |
|---|---|---|---|---|---|---|
| Jul 4, 2019 | WimbledonGrand Slam | grass | 2nd round | Mertens E. | 7-5, 6-0 | 21 v 111 |
| Jan 11, 2018 | Hobart InternationalInternational | hard | quarterfinal | Mertens E.walkover, not counted | no set played | 36 v 85 |
| Apr 10, 2017 | Ladies Open Biel BienneInternational | hard | 1st round | Mertens E. | 6-2, 6-2 | 68 v 47 |
| Jan 14, 2017 | Hobart InternationalInternational | hard | final | Mertens E. | 6-3, 6-1 | 127 v 40 |
A record, never a share of meetings. Main-draw singles since 2013; a meeting ended by retirement is counted with the sets that were played and marked; a walkover is listed and counted in neither column. Mertens E. and Niculescu M. each carry the table against every opponent faced.