Head to head
1
Hard
4
0
Clay
1
1
Grass
3
3
Carpet
4
Pierre Barthes's wins on the left · John Newcombe's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (17)
| 1970 | Bristol | Grass | QF | John Newcombe | 7-5 6-1 |
| 1969 | Chicago | Carpet | R16 | Pierre Barthes | 8-6 |
| 1969 | US Open | Grass | R32 | John Newcombe | 6-8 6-1 6-2 6-2 |
| 1969 | Boston-1 | Hard | QF | John Newcombe | 7-5 6-1 |
| 1969 | Bristol | Grass | QF | Pierre Barthes | 9-11 8-6 7-5 |
| 1968 | Kimberley WCT | Hard | SF | John Newcombe | 10-6 |
| 1968 | Cape Town WCT | Hard | QF | Pierre Barthes | 4-6 6-2 6-2 |
| 1968 | Port Elizabeth WCT | Hard | QF | John Newcombe | 7-3 |
| 1968 | Durban WCT | Hard | QF | John Newcombe | 6-8 6-3 6-1 |
| 1968 | Newport WCT | Grass | RR | John Newcombe | 19-21 21-8 21-19 |
| 1968 | Gstaad | Clay | QF | John Newcombe | 6-2 6-1 |
| 1968 | Minneapolis WCT | Carpet | QF | John Newcombe | 31-21 |
| 1968 | Bakersfield WCT | Carpet | SF | John Newcombe | 31-28 |
| 1968 | San Diego WCT | Carpet | QF | John Newcombe | 31-18 31-28 |
| 1968 | Orlando WCT | Carpet | RR | Pierre Barthes | 31-30 25-31 5-4 |
| 1968 | New Orleans WCT | Carpet | RR | John Newcombe | 31-27 |
| 1968 | Houston WCT | Carpet | RR | Pierre Barthes | 25-31 31-17 |
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.