| Date | Tournament | Team | Player | Phase |
|---|---|---|---|---|
| 8/9/2025 | Chicago Open 2025 | Woke Michael Du be like "I'm a genders player" | Mattias Ehatamm | All Games (Final Standings) Combined (Without Finals) Playoffs Prelims |
| 4/20/2025 | 2025 ACF Nationals | Waterloo A | Mattias Ehatamm | Combined Playoffs Prelims |
| 4/5/2025 | 2025 Intercollegiate Championship Tournament | Waterloo A | Mattias Ehatamm | Division I |
| 3/22/2025 | MRNA IV @ Waterloo | Waterloo Mathematics & Computer | Mattias Ehatamm | All Games Playoffs Prelims |
| 3/8/2025 | WAO 3 McMaster | Jānis Poruks Found Dead on the Streets of Kitchener | Mattias Ehatamm | wao rounds 1-11 prelims |
| 2/22/2025 | IQBT Undergraduate Championship | Waterloo | Mattias Ehatamm | Superplayoffs Combined Playoffs Prelims |
| 2/8/2025 | 2025 NAQT SCT @ Toronto | Waterloo A (UG) | Mattias Ehatamm | D1 - Combined D1 - Finals D1 - Round Robin |
| 2/8/2025 | NAQT Canada Sectional | Waterloo A | Mattias Ehatamm | Division I |
| 2/1/2025 | 2025 ACF Regionals @ UOttawa | Waterloo A | Mattias Ehatamm | All Games Playoffs Prelims (1-8) Prelims (1-5) |
| 11/30/2024 | 2024 ARCADIA @ Waterloo | Waterloo Aspidistra | Mattias Ehatamm | Playoffs Combined + Finals Prelims |
| 11/17/2024 | ARGOS @ McMaster | You cannot go to Aarhus to see his peat-brown head / With eyes like ripening fruit | Mattias Ehatamm | ARGOS (Combined) ARGOS (10) ARGOS (1-9) ARGOS (1-4) |
| 11/2/2024 | Penn Bowl 2024 @ uOttawa | Waterloo Gulistan | Mattias Ehatamm | Finals Round Robin (1-11) |
| 7/20/2024 | 2024 COOT @ Carleton University | Sekai de ichiban OttHeme-sama by Hatsune Mikusalik | Mattias Ehatamm | All Games Rounds 1-4 Prelims (1-7) |
| 7/6/2024 | UG Nats | if any waterloo player claims to be washed im gonna lose it - Henry Atkins | Mattias Ehatamm | All Games Playoffs Prelims |
| 6/1/2024 | ACRONYM 17 @uOttawa | A Corner in Wheatus: Teenage Grainbag | Mattias Ehatamm | All Games Playoffs (8-11) Prelims (1-7) Prelims (1-5) |
| 4/21/2024 | 2024 ACF Nationals | Waterloo | Mattias Ehatamm | Prelims Combined Playoffs |
| 4/6/2024 | 2024 Intercollegiate Championship Tournament | Waterloo A | Mattias Ehatamm | Division I |
| 3/10/2024 | LITANY @ Toronto | Mars Needs Maughams | Mattias Ehatamm | Combined Prelims |
| 3/9/2024 | TSN (AKA ESPN) | Mary Boykin and Charles Chestnut's Sentimental Journey | Mattias Ehatamm | Prelims + Playoffs Prelims Round 5 Prelims, Corrections Prelims up to Round 2 |
| 2/4/2024 | Super ACRONYM 4 @ The University of Toronto | Estonian Quantum Computer Engineering During the Crisis of the Third Century | Mattias Ehatamm | Prelims Playoffs All Games + Final |
| 2/3/2024 | 2024 NAQT SCT @ Toronto | Waterloo A (UG) | Mattias Ehatamm | D1 |
| 2/3/2024 | NAQT Canada Sectional | Waterloo A | Mattias Ehatamm | Division I |
| 1/27/2024 | ACF Regionals 2024 @ uOttawa | Waterloo A | Mattias Ehatamm (UG) | Prelims |
| 1/13/2024 | ILLIAC II @ McGill Online | Waterloo Cloze | Mattias Ehatamm | Playoffs Prelims All Games |
| 12/2/2023 | 2023 ARCADIA 3 @ Carleton University | Waterloo | Mattias Ehatamm | All Games Rounds 1-5 |
| 11/11/2023 | 2023 ACF Winter @ Toronto | Waterloo A (UG) | Mattias Ehatamm (UG) | Combined Playoffs Prelims |
| 10/1/2023 | EMACS Online Mirror | I Paused My Unique Game to Be Here | Mattias Ehatamm | Prelims Playoffs Combined |
| 9/30/2023 | UWO Online COOT (2023) Mirror | Waterloo A | Mattias Ehatamm | Overall Stats Pre-lunch stats update |
| 7/16/2023 | Acronym @ UWaterloo | Filipino Theoretical Physics in the Latter Half of the Third Century BCE | Mattias Ehatamm | All Games |
| 5/21/2023 | Planet of the Guerillas @ Toronto | Waterloo A(dd me on Letterboxd) | Mattias Ehatamm | All Games |
| 5/21/2023 | Shock of the Old @ Toronto | Mati's Team | Mattias Ehatamm | All Games |
| 5/20/2023 | BHSU @ Waterloo | The Vulture's Guide to Buzz | Mattias Ehatamm | All Games |
| 4/1/2023 | 2023 Intercollegiate Championship Tournament | Waterloo | Mattias Ehatamm | Division II |
| 3/18/2023 | MRNA II @ Waterloo | Waterloo M | Mattias Ehatamm | Combined Round Robin |
| 3/5/2023 | IQBT Undergraduate Championship | Waterloo | Mattias Ehatamm | Overall Phase II (Playoffs) Phase I (Prelims) |
| 2/4/2023 | 2023 NAQT SCT at Toronto | Waterloo A | Mattias Ehatamm | D2 Playoffs D2 Prelims D2 All |
| 2/4/2023 | NAQT Canada Sectional | Waterloo A | Mattias Ehatamm | Division II |
| 1/28/2023 | 2023 ACF Regionals @ McGill | Waterloo | Mattias Ehatamm | Prelims Combined Playoffs |
| 1/14/2023 | C++ @ Toronto | Waterloo A | Mattias Ehatamm | Playoffs Prelims Combined |
| 11/26/2022 | 2022 ARCADIA @ McMaster | UW Cringe | Mattias Ehatamm | All Games Playoffs Prelims |
| 11/5/2022 | 2022 ACF Winter @ Toronto | Waterloo A (UG) | Mattias Ehatamm (UG) | Prelims + Playoffs Prelims |
| 10/15/2022 | 2022 ACF Fall at Ottawa | Waterloo A | Mattias Ehatamm | All Games Prelims Playoffs |
| 10/1/2022 | 2022 Winter Closed | Waterloo | Mattias Ehatamm | All Games |
| 9/24/2022 | NAQT Collegiate Novice (CNS-213C) @ Toronto | Waterloo A | Mattias Ehatamm | All Games Round Robin |
| 9/24/2022 | University of Toronto Collegiate Novice Tournament | Waterloo A | Mattias Ehatamm | University of Toronto Collegiate Novice Tournament |
| 8/14/2022 | Canadian HSNCT Mirror | Waterloo | Mattias Ehatamm | Day 1 Day 2 |
| 8/14/2022 | HSNCT Open Toronto 2-Day Mirror | obamna | Mattias Ehatamm | Day 2 - All Games Day 1 - All Games |