| Player | vs | Player |
| Shota Yasooka | vs | Simon Görtzen |
| Carlos Romao | vs | Jessica Estephan |
| Ashley Espinoza | vs | Kentaro Yamamoto |
| Matias Leveratto | vs | Greg Orange |
| Jeffrey Brusi | vs | Kai Budde |
| Raphaël Lévy | vs | Matthew Nass |
| Corey Burkhart | vs | Eric Froehlich |
| Autumn Burchett | vs | William Jensen |
| Christian Hauck | vs | Teresa Pho |
| Piotr Glogowski | vs | Luis Salvatto |
| Patrick Fernandes | vs | Andrew Cuneo |
| Jean Emmanuel Depraz | vs | Lee Shi Tian |
| Janne Mikkonen | vs | Eric Oresick |
| Nicholas Carlson | vs | Martin Juza |
| Marcio Carvalho | vs | John Rolf |
| Yuki Matsuda | vs | Giana Kaplan |
| Emma Handy | vs | Javier Dominguez |
| Vanessa Hinostroza | vs | Evan Gascoyne |
| Alexander Hayne | vs | Marcin Tokajuk |
| Reid Duke | vs | Andrea Mengucci |
| Luis Scott Vargas | vs | Yuma Koizumi |
| Andrew Elenbogen | vs | Noah Walker |
| André Santos | vs | Ben Stark |
| Lucas Esper Berthoud | vs | Nhi Pham |
| Ben Hull | vs | Shahar Shenhar |
| Allen Wu | vs | Wyatt Darby |
| Seth Manfield | vs | PauloVitor DamodaRosa |
| Jason Chan | vs | Amy Demicco |
| Ondrej Strasky | vs | Alexey Shashov |
| CJ Steele | vs | Grzegorz Kowalski |
| Takashi Iwasaki | vs | Mike Sigrist |
| Montserrat Ayensa | Audrey Zoschak |
MTG Arena Mythic III Round 4 Pairings
June 21, 2019
Wizards of the Coast