| Aug 28, 2021 | Rousis | 1–0 | Mesa Cruz | Online_Olympiad_Div3_PoolD | Indian Defense | |
| Aug 28, 2021 | Titichoca Daza | 1–0 | Rousis | Online_Olympiad_Div3_PoolD | English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with Nb6 | |
| Aug 28, 2021 | ItsKyell | 0–1 | Rousis | Online_Olympiad_Div3_PoolD | Sicilian Defense: Najdorf Variation, Opocensky Variation, Traditional Line | |
| Aug 22, 2021 | Rousis | 0–1 | Junior | Online_Olympiad_Div4_PoolC | Caro-Kann Defense: Karpov Variation, Modern Variation, Kasparov Attack | |
| Aug 22, 2021 | Rousis | 1–0 | SDROGOTIME9999 | Online_Olympiad_Div4_PoolC | Queen's Pawn Game: Accelerated London System | |
| Aug 22, 2021 | Vanjare | 0–1 | Rousis | Online_Olympiad_Div4_PoolC | Indian Defense | |
| Aug 21, 2021 | Rousis | 1–0 | Hamza | FIDE Online Chess Olympiad Division 4 Pool C 2021 | Sicilian Defense: Moscow Variation, Main Line | |
| Aug 21, 2021 | Rousis | ½–½ | Mizzi | Online_Olympiad_Div4_PoolC | Queen's Pawn Game: Accelerated London System | |
| Aug 21, 2021 | nijo0472 | 0–1 | Rousis | Online_Olympiad_Div4_PoolC | Sicilian Defense: Bowdler Attack | |
| Aug 21, 2021 | Kebede | 0–1 | Rousis | Online_Olympiad_Div4_PoolC | Sicilian Defense: Modern Variations | |
| Aug 16, 2021 | Rousis | 0–1 | Orozbaev | World Youth Cup 2021 O16-G12 - Open 16 | French Defense: Tarrasch Variation, Open System | |
| Aug 16, 2021 | Rousis | 0–1 | Advait | World Youth Cup 2021 O16-G12 - Open 16 | Queen's Pawn Game: Accelerated London System | |
| Aug 16, 2021 | Rousis | 1–0 | Rossel Grandon | World Youth Cup 2021 O16-G12 - Open 16 | Sicilian Defense: Moscow Variation | |
| Aug 16, 2021 | Rousis | 0–1 | Rayen | World Youth Cup 2021 O16-G12 - Open 16 | Sicilian Defense: Moscow Variation | |
| Aug 16, 2021 | Yang | 0–1 | Rousis | World Youth Cup 2021 O16-G12 - Open 16 | Sicilian Defense: Najdorf Variation | |
| Aug 16, 2021 | Sarmiento | 0–1 | Rousis | World Youth Cup 2021 O16-G12 - Open 16 | English Opening: King's English Variation, Four Knights Variation | |
| Aug 16, 2021 | Williams | 0–1 | Rousis | World Youth Cup 2021 O16-G12 - Open 16 | Sicilian Defense: Moscow Variation | |
| Aug 16, 2021 | Barroso | 1–0 | Rousis | World Youth Cup 2021 O16-G12 - Open 16 | English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with Nb6 | |
| Aug 16, 2021 | Briones Espino | 1–0 | Rousis | World Youth Cup 2021 O16-G12 - Open 16 | Sicilian Defense: Modern Variations, Tartakower | |
