Head to head
Rivalry summary
Jan Hordijk and Armando Vieira met 1 times on the ATP tour between 1969 and 1969. Jan Hordijk leads the head-to-head 1–0 against Armando Vieira.
1
Clay
0
Jan Hordijk's wins on the left · Armando Vieira's on the right · bar lengths share one scale
All meetings (1)
| 1969 | Hilversum | Clay | R64 | Jan Hordijk | 6-3 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.