Head to head
3
Clay
3
Paolo Bertolucci's wins on the left · Buster C. Mottram's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 1978 | Boston | Clay | R32 | Paolo Bertolucci | 6-3 6-4 |
| 1977 | Roland Garros | Clay | R32 | Buster C. Mottram | 0-6 6-3 7-6 7-5 |
| 1977 | Hamburg | Clay | SF | Paolo Bertolucci | 6-3 3-6 6-3 6-2 |
| 1976 | Florence | Clay | SF | Paolo Bertolucci | 4-6 6-1 6-4 |
| 1976 | Palma | Clay | R16 | Buster C. Mottram | 6-4 7-6 |
| 1973 | Barcelona-2 | Clay | R16 | Buster C. Mottram | 6-4 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.