Head to head
Rivalry summary
Jeff Borowiak and Tian C. Viljoen met 1 times on the ATP tour between 1981 and 1981. Jeff Borowiak leads the head-to-head 1–0 against Tian C. Viljoen.
1
Hard
0
Jeff Borowiak's wins on the left · Tian C. Viljoen's on the right · bar lengths share one scale
All meetings (1)
| 1981 | Johannesburg-2 | Hard | R16 | Jeff Borowiak | 7-6 0-6 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.