Pro wins
Olympia titles
Shows entered
Years active
Direct Record Heather Hei Man Kam 0–4 Nittaya Kongthun · 4 shared shows
| Year | Competition | Division | Heather Hei Man Kam | Nittaya Kongthun | Winner | Source |
|---|---|---|---|---|---|---|
| 2025 | IFBB Musclecontest Japan Pro | Bikini | 5 | 3 | Nittaya Kongthun | contests.npcnewsonline.com ↗ |
| 2024 | IFBB Musclecontest Vietnam Pro | Bikini | 5 | 1 | Nittaya Kongthun | contests.npcnewsonline.com ↗ |
| 2024 | IFBB MuscleContest Japan Pro | Bikini | 3 | 1 | Nittaya Kongthun | contests.npcnewsonline.com ↗ |
| 2023 | IFBB Musclecontest Vietnam Pro | Bikini | 3 | 2 | Nittaya Kongthun | contests.npcnewsonline.com ↗ |