Yu-Gi-Oh! South America WCQ 2018
The Yu-Gi-Oh! South America WCQ 2018 was held in Lima, Peru during 29 June – 1 July 2018, and had a total of 300 participants.
| 1st |  Jefferson Salas Reyna |
Mythical Beast Supreme King Magician |
| 2nd |  Diego Alejandro Venegas Acevedo |
Sky Striker Trickstar |
| 3 – 4th |  Gonzalo Mijail Orihuela Castro |
Mekk-Knight Sky Striker Trickstar |
| Alejandro Juan Loayza Jordan |
Mekk-Knight Sky Striker Trickstar | |
| 5 – 8th |  Alex Arturo Salas Arreaga |
Mekk-Knight Sky Striker Trickstar |
 Marco Roberto Rodrigues Batalha |
Infernoid | |
| Rafael Andres Hernandez Canales |
ABC | |
| Martin Alonso Lira Alban |
Mythical Beast Supreme King Magician |
South American WCQ 2018 Champion
Jefferson Salas Reyna (Peru)
1st, 
Jefferson Salas Reyna [Mythical Beast Supreme King Magician]
Source: ReadyForDuel
2nd, 
Diego Alejandro Venegas Acevedo [Sky Striker Trickstar]
Source: ReadyForDuel
3 – 4th, Gonzalo Mijail Orihuela Castro [Sky Striker Trickstar]
Source: ReadyForDuel
3 – 4th, 
Alejandro Juan Loayza Jordan [Sky Striker Trickstar]
Source: ReadyForDuel
