Head to head
0
Hard
1
0
Clay
1
2
Grass
2
Onny Parun's wins on the left · Alex Metreveli's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 1974 | Adelaide | Grass | SF | Onny Parun | 6-3 6-4 |
| 1974 | Nottingham | Grass | QF | Alex Metreveli | 3-6 9-8 6-2 |
| 1973 | San Juan | Hard | RR | Alex Metreveli | 6-4 6-4 |
| 1972 | Australian Open | Grass | QF | Onny Parun | 6-4 3-6 6-3 6-7 6-3 |
| 1972 | Queen's Club | Grass | R64 | Alex Metreveli | 8-6 6-4 |
| 1972 | Rome-1 | Clay | R32 | Alex Metreveli | 7-6 6-4 |
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.