Head to head
0
Hard
1
4
Clay
5
0
Grass
2
1
Carpet
2
Harold Solomon's wins on the left · Manuel Orantes's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (15)
| 1981 | Salisbury WCT | Carpet | RR | Harold Solomon | 6-7 6-2 6-3 |
| 1980 | Hamburg | Clay | QF | Harold Solomon | 6-1 3-6 7-5 |
| 1980 | Nations Cup | Clay | RR | Harold Solomon | 6-4 6-2 |
| 1978 | Boston | Clay | F | Manuel Orantes | 6-4 6-3 |
| 1978 | Louisville | Clay | QF | Harold Solomon | 2-6 6-4 6-4 |
| 1977 | Tokyo | Clay | SF | Manuel Orantes | 6-1 6-0 |
| 1976 | WCT Challenge Cup | Carpet | RR | Manuel Orantes | 6-2 2-6 6-2 |
| 1976 | Masters | Carpet | SF | Manuel Orantes | 6-4 6-3 6-4 |
| 1976 | Indianapolis-2 | Clay | QF | Harold Solomon | 6-2 4-6 6-4 |
| 1975 | Tokyo-2 | Clay | QF | Manuel Orantes | 6-2 6-4 |
| 1975 | Rome | Clay | QF | Manuel Orantes | 6-2 6-4 |
| 1974 | Masters | Grass | RR | Manuel Orantes | 6-1 6-1 |
| 1974 | Stockholm | Hard | R16 | Manuel Orantes | 6-0 6-2 |
| 1974 | Wimbledon | Grass | R128 | Manuel Orantes | 6-3 6-2 6-1 |
| 1972 | Roland Garros | Clay | QF | Manuel Orantes | 6-4 5-7 6-3 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.