Head to head
1
Hard
0
0
Grass
1
0
Carpet
1
Leif Shiras's wins on the left · Paul Annacone's on the right · bar lengths share one scale
All meetings (3)
| 1990 | Canada Masters | Hard | R64 | Leif Shiras | 6-1 6-4 |
| 1990 | Wimbledon | Grass | R128 | Paul Annacone | 2-6 3-6 6-3 6-3 8-6 |
| 1985 | Chicago | Carpet | R32 | Paul Annacone | 6-3 7-6 |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.