Sanctioned Matchup Predictor
Stiven Kostelac vs Paul Stack
Past Head-to-Head Rubbers (7)
| Winner | Loser | Score | Event | Rating Delta | |
|---|---|---|---|---|---|
| Stiven Kostelac | def. | Paul Stack | -11,4,8,8 | TTACT 2026 Spring Pennant Thursday Rnd 2 (2026-10-22) | +9 |
| Paul Stack | def. | Stiven Kostelac | -8,5,4,7 | TTACT 2026 P3 Pennant Winter Thursday Rnd 9 (2026-09-17) | +6 |
| Paul Stack | def. | Stiven Kostelac | -6,4,-14,4,9 | TTACT 2026 Thursday Pennant Autumn Rnd 1 (2026-04-23) | +17 |
| Stiven Kostelac | def. | Paul Stack | -8,9,12,8 | TTACT 2026 Thursday Pennant Autumn Rnd 8 (2026-06-11) | +7 |
| Stiven Kostelac | def. | Paul Stack | 5,8,9 | TTACT 2026 P1 Thursday Pennant Rnd 5 (2026-03-05) | +14 |
| Stiven Kostelac | def. | Paul Stack | -8,-6,9,10,9 | TTACT 2026 Autumn Pennant Semifinal (2026-06-30) | +9 |
| Stiven Kostelac | def. | Paul Stack | 6,9,-11,-11,9 | TTACT 2026 P3 Pennant Winter Thursday Rnd 4 (2026-08-13) | +11 |