John Ray Jing Yee Duyan is a Filipino professional Dota 2 player in a support role. His signature heroes are Snapfire, Rubick, and Keeper of the Light. Guy reached the 11,000 MMR mark on May 3, 2023.

Jing started building a cybersports career in Dota in 2019. At first, he played in little-known stacks at tournaments from FACEIT and Epulze, and often took part in qualifications for major championships. John joined the professional team in November 2021 - it was Atomic Esports. He reached the finals of Epulze Monthly Cup: November 2021 - Southeast Asia and finished in the top six at the Top Clans 2021 Winter Invitational.

In February 2022, Jing joined Neon Esports, where he finished in the top 4 at the Oceanic Esports Dota Championships, took bronze at the PNXBET Invitationals Southeast Asia Season 4 and finished 7th at the DPC SEA 2021/22 Tour 2: Division I. After that, Jing played for a number of colleges and colleges, such as DPC SEA 2021/22 Tour 2: Division I. After that John played for Animals, NerdRig and XERXIA before joining Polaris Esports in November of that year. With this team he reached the top-6 at the Mansion Invitational 2023, reached 4th place at the BTS Pro Series Season 14: Southeast Asia and was the silver medalist at the DPC SEA 2023 Tour 1: Division II. At the end of the first season of the league, Jing left Polaris Esports and played qualifications for the DPC with Team Egoist and Team Kicked, but his attempts were in vain. In November 2023, John joined Geek Fam for the qualifiers for ESL One Kuala Lumpur 2023 and other major tournaments in 2024. 

• March 8, 2024 - Jing joined Team Darleng 2.0.

In the new team, the player tried his hand at qualifying for Elite League 2024, and after the roster was changed, he went to qualify for DreamLeague Season 23. Soon Jing left the team and joined TNC Predator to play in the qualifiers for Riyadh Masters 2024 and The International 2024, but the guys failed to get further than the closed stage. A little later the guy left the team and became a member of skem&friends. Under the new tag he went to the qualifiers for PGL Wallachia Season 2, which he failed again.

In September 2024, Jing joined Kukuys, with which he participated in the closed qualifier for BetBoom Dacha Belgrade 2024, where they placed 2nd and did not qualify for the tournament.

In 2025, the team Team Nemesis qualified for The International 2025 but lost all their matches and finished the tournament in 16th place.