01/By surface
each with its own count, at equal weight
Hard
0-1
L. leads 1-0 in 1 meeting on hard
Clay
3-0
C. leads 3-0 in 3 meetings on clay
Grass
Never on grass
no meeting on this surface
02/Every meeting
4 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, C. first |
|---|---|---|---|---|---|---|
| Jan 21, 2020 | Australian OpenGrand Slam | hard | 1st round | Siegemund L. | 6-1, 6-4 | 226 v 72 |
| May 28, 2018 | French OpenGrand Slam | clay | 1st round | Vandeweghe C. | 6-4, 6-4 | 15 v 358 |
| Apr 26, 2018 | Porsche Tennis Grand PrixPremier | clay | 2nd round | Vandeweghe C. | 6-4, 4-6, 6-3 | 16 v 100 |
| May 9, 2017 | Mutua Madrid OpenPremier | clay | 2nd round | Vandeweghe C. | 6-2, 4-6, 6-3 | 20 v 35 |
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. Vandeweghe C. and Siegemund L. each carry the table against every opponent faced.