01/By surface
each with its own count, at equal weight
Hard
2-0
S. leads 2-0 in 2 meetings on hard
Clay
1-0
S. leads 1-0 in 1 meeting on clay
Grass
Never on grass
no meeting on this surface
02/Every meeting
3 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, S. first |
|---|---|---|---|---|---|---|
| Mar 28, 2016 | Sony Ericsson OpenPremier | hard | 4th round | Halep S. | 6-3, 6-4 | 5 v 69 |
| May 29, 2014 | French OpenGrand Slam | clay | 2nd round | Halep S. | 6-2, 6-4 | 4 v 92 |
| Aug 27, 2013 | US OpenGrand Slam | hard | 1st round | Halep S. | 4-6, 6-4, 6-2 | 19 v 76 |
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. Halep S. and Watson H. each carry the table against every opponent faced.