Ivan OneJey Zhivitsky is a Belarusian professional player who occupies the position of seven-sapper. 

OneJey took his first steps on the professional scene in March 2022, when as a member of Team Domino he managed to win the Belarusian Esports League 2022 Level #1. Later he joined the youth squad of Nemiga Gaming - Zorka. In this team OneJey showed his potential, almost making it to the DPC League, finishing 12th at Winline Dota 2 Champions League Season 15 and winning 5-6th place at European Pro League Season 2.

In May 2023, OneJey joins the StoRm roster. In this team, he participated in Malta Vibes #2 and placed 9th-13th. Next, OneJey made his DPC League debut, taking part in DPC EEU 2023 Tour 3: Division II. 

In the fall of 2023 Ivan left StoRm. During the next couple of months, the player roamed around the teams. At the qualification for ESL One Kuala Lumpur 2023 OneJey played for Atlas Burden, the squad participated twice in the open qualification, but both times took the 4th place and did not pass further. Ivan also participated in the Pinnacle: 25 Years Anniversary Show as a member of Team Klee, but the team did not achieve much results, finishing 7th place at the tournament. In January 2024, OneJey joined the newly formed Chimera pack.

Together with Chimera the player participates in qualifications for BetBoom Dacha Dubai 2024, DreamLeague Season 22 and ESL One Birmingham 2024. But to achieve serious results only at the qualifiers for the tournament in Birmingham: there the team took 1st place in the open qualification and successfully passed to the closed qualification.

At the Closed Qualifier for ESL One: Birmingham 2024, Chimera took 7-8th place and lost the chance to pass to the main stage of this tournament. 

• February 1, 2024 - L1GA TEAM presented a new lineup, OneJey took the role of the semi-support. The debut will take place at the "Games of the Future 2024".

The updated roster participated in the qualifiers for the Elite League 2024, DreamLeague Season 23 and PGL Wallachia Season 1, as well as competed in the 1WIN Series Spring, but did not achieve significant results. The team only placed in the Dota2 World Invitational and European Pro League 17: Division 1.

• In July 2024, OneJey temporarily joined Nigma Galaxy to participate in the Clavision Snow Ruyi Invitational, where the team eventually placed 3rd.

In the fall Ivan played together with L1GA TEAM at PGL Wallachia Season 2 and BetBoom Dacha Belgrade 2024, but the result was not very good: at both tournaments the team was one of the first to be eliminated.

• December 10, 2024 - OneJey has joined Chimera Esports.

On March 28, 2025, the player left Chimera and joined Virtus.pro. The new lineup immediately received a direct invite to the online tournament FISSURE Special.

On May 10, 2025, it was reported that OneJey will miss FISSURE Universe: Episode 5. On June 19, 2025, Virtus.pro put Ivan up for transfer.

On September 17, he joined the new VP.CIS roster, but due to poor results, the team was disbanded and all players were placed on the transfer list.

On October 29, the player as part of Team Tea became the champion of European Pro League Season 31.