01/By surface
each with its own count, at equal weight
Hard
3-0
G. leads 3-0 in 3 meetings on hard
Clay
Never on clay
no meeting on this surface
Grass
1-0
G. leads 1-0 in 1 meeting on grass
02/Every meeting
4 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, G. first |
|---|---|---|---|---|---|---|
| Feb 10, 2016 | ABN AMRO World Tennis TournamentATP500 | hard | 1st round | Simon G. | 7-6, 6-1 | 15 v 63 |
| Jan 20, 2015 | Australian OpenGrand Slam, best of 5 | hard | 1st round | Simon G. | 6-1, 6-3, 6-4 | 20 v 83 |
| Jun 25, 2014 | WimbledonGrand Slam, best of 5 | grass | 2nd round | Simon G. | 7-6, 6-4, 6-4 | 44 v 53 |
| Feb 20, 2013 | Open 13ATP250 | hard | 1st round | Simon G. | 7-5, 7-5 | 13 v 50 |
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. Simon G. and Haase R. each carry the table against every opponent faced.