Sanctioned Matchup Predictor
Robert Chieng vs Alex Zhao
Past Head-to-Head Rubbers (7)
| Winner | Loser | Score | Event | Rating Delta | |
|---|---|---|---|---|---|
| Alex Zhao | def. | Robert Chieng | -5,-8,-8,5,3,4,7 | 2025 GDTTA Autumn Sunday League R 8 (2025-06-01) | +8 |
| Robert Chieng | def. | Alex Zhao | 7,8,9,9 | 2025 GDTTA Autumn Sunday League R 2 (2025-04-20) | +19 |
| Robert Chieng | def. | Alex Zhao | -4,7,5,7 | 2025 GDTTA Winter Sunday League Rnd 1 (2025-07-06) | +18 |
| Robert Chieng | def. | Alex Zhao | 3,-9,-8,8,11 | 2025 GDTTA Spring Sunday League Rnd 3 (2025-10-12) | +11 |
| Robert Chieng | def. | Alex Zhao | 9,9,4 | 2025 GDTTA Winter Sunday League Rnd 6 (2025-08-17) | +12 |
| Alex Zhao | def. | Robert Chieng | -7,9,4,-10,7 | 2025 GDTTA Spring Sunday League Rnd 8 (2025-11-16) | +4 |
| Alex Zhao | def. | Robert Chieng | 11,8,10,-8,5 | 2026 GDTTA Masters League Winter Rnd 9 (2026-09-10) | 0 |