Head to head
1
Hard
0
0
Clay
1
Andrew Pattison's wins on the left · Ion Tiriac's on the right · bar lengths share one scale
All meetings (2)
| 1977 | Louisville | Clay | R16 | Ion Tiriac | 7-5 6-4 |
| 1975 | Tucson | Hard | R64 | Andrew Pattison | 6-0 6-2 |
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.