Pro wins
Olympia titles
Shows entered
Years active
Direct Record Marissa Andreou 0–6 Kassandra Gillis · 6 shared shows
| Year | Competition | Division | Marissa Andreou | Kassandra Gillis | Winner | Source |
|---|---|---|---|---|---|---|
| 2026 | IFBB Arnold Classic | Wellness | 10 | 9 | Kassandra Gillis | contests.npcnewsonline.com ↗ |
| 2024 | Wellness Olympia | Wellness | 13 | 8 | Kassandra Gillis | contests.npcnewsonline.com ↗ |
| 2023 | Wellness Olympia | Wellness | 9 | 6 | Kassandra Gillis | contests.npcnewsonline.com ↗ |
| 2022 | Pittsburgh Pro | Wellness | 6 | 2 | Kassandra Gillis | contests.npcnewsonline.com ↗ |
| 2022 | Wellness Olympia | Wellness | 7 | 4 | Kassandra Gillis | contests.npcnewsonline.com ↗ |
| 2021 | Chicago Pro | Wellness | 16 | 1 | Kassandra Gillis | contests.npcnewsonline.com ↗ |