Head to head
0
Hard
1
1
Clay
1
2
Grass
2
1
Carpet
1
Marty Riessen's wins on the left · Nikola Pilic's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (9)
| 1972 | Chicago WCT | Carpet | R32 | Marty Riessen | 7-6 3-6 6-3 |
| 1971 | US Open | Grass | R16 | Marty Riessen | 7-5 7-6 7-6 |
| 1971 | London-1 | Carpet | SF | Nikola Pilic | 4-6 6-3 6-4 |
| 1970 | Newport-2 | Grass | RR | Marty Riessen | 6-5 6-4 |
| 1970 | Bristol | Grass | QF | Nikola Pilic | 4-6 9-7 7-5 |
| 1970 | Casablanca | Clay | QF | Nikola Pilic | 6-4 6-3 6-4 |
| 1969 | Portschach | Clay | 3rd/4th | Marty Riessen | 9-7 6-3 |
| 1968 | East London WCT | Hard | QF | Nikola Pilic | 8-3 |
| 1968 | Newport WCT | Grass | RR | Nikola Pilic | 21-20 18-21 21-15 |
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.