Head to head
0
Hard
2
0
Clay
2
1
Carpet
1
Onny Parun's wins on the left · Andrew Pattison's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 1980 | Cologne | Hard | R32 | Andrew Pattison | 6-3 6-4 |
| 1976 | Dayton | Carpet | SF | Andrew Pattison | 7-6 6-4 |
| 1973 | Barcelona-2 | Clay | R32 | Andrew Pattison | 6-4 1-6 9-7 |
| 1972 | London-3 | Carpet | QF | Onny Parun | 6-3 6-4 |
| 1972 | Clemmons | Clay | QF | Andrew Pattison | 7-5 6-3 |
| 1971 | Sacramento | Hard | R32 | Andrew Pattison | 7-6 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.