The year he turned 16, he joined Lecaff Oz through the rookie draft and made his debut in the SKY Proleague first-half league, where he was named rookie of the year. In the second-half league he won the most-wins award and MVP.
The breakthrough yearThe year he turned 17, he won his first individual title at e-Stars Seoul 2007 in August. In December he entered the EVER Starleague 2007 for the first time and won it. Busan Ilbo writes that the win raised him to star status and earned him the nickname “Tyrant.”
In March 2008 he also won GOM TV MSL Season 4, taking both major leagues. In 2009 he won the Batoo Starleague and the Bacchus Starleague, received the Golden Mouse, and took gold in the StarCraft event at WCG 2009 in November.
In January 2010 he won the Nate MSL, bringing him to five individual-league titles. In 2011 he became the first to reach 200 Proleague wins and 400 official wins.
From 2012 he played StarCraft II for the overseas team EG. In 2013 he won ASUS ROG NorthCon 2013. In 2014 he won Lone Star Clash 3 and the World e-Sports Championships 2014.
In 2016 he announced his retirement as a pro gamer and his plans to stream. In 2020 he enlisted as an active-duty soldier in the army. He completed his military service in December 2021.
In 2023 he reached the round of 16 in ASL Season 15. In 2024 he reached the round of 16 in the SSL Autumn. In 2025 he played in Group B of the ASL Season 19 round of 16. In 2026 he went as far as the ASL Season 22 quarterfinals.
Jaedong (born 1990) made his debut on Apr 30, 2006, the year he turned 16, in the SKY Proleague 2006 first-half league, and became known on Dec 22, 2007, the year he turned 17, by winning the EVER Starleague 2007 in his first Starleague appearance. His first international title came at WCG 2009, the year he turned 19.
Ages are by calendar year (the year minus the birth year), birthdays aside.
Joined Lecaff Oz through the rookie draft. The team was later called Hwaseung Oz.
Source 05 · Sports Chosun (Korean) · Winning both major leagues · opens in a new tabSource 03 · Busan Ilbo (Korean) · Streaming announced a day after retirement · opens in a new tab The exact date was not confirmed.Played his first official StarCraft match.
Source 06 · Gamedonga (Korean) · Top 10 e-sports news of 2011 · opens in a new tabSource 27 · Economic Review (Korean) · “Tyrant” Jaedong, no retirement · opens in a new tab His birth year is confirmed by the Economic Review article’s statement that he was born in 1990. His birthday was not confirmed in articles.Received 14 of 17 valid votes. In the second-half league he won the most-wins award and MVP.
Source 07 · OSEN (Korean) · SKY Proleague rookie of the year Jaedong · opens in a new tabSource 04 · Nocut News (Korean) · Jaedong and Kim Taek-yong, who is the next “bonjwa” · opens in a new tabBeat Heo Young-moo 2-1 in the final of a 256-player event. It was his first individual title.
Source 08 · OSEN (Korean) · e-Stars Seoul 2007 title · opens in a new tabSource 04 · Nocut News (Korean) · Jaedong and Kim Taek-yong, who is the next “bonjwa” · opens in a new tabEntering the Starleague for the first time, he beat Song Byung-gu (Stork) 3-1 in the final. He became a Royal Roader, the term for a player who wins the Starleague in his first appearance.
Beat Kim Gu-hyeon 3-1 in the final at BEXCO in Busan. After Lim Yo-hwan, Lee Yun-yeol, Kang Min, Choi Yeon-sung and Ma Jae-yoon, he was the sixth pro gamer to win both major leagues.
Source 09 · Dong-A Ilbo (Korean) · “Tyrant” Jaedong wins MSL, both major leagues · opens in a new tabSource 05 · Sports Chosun (Korean) · Winning both major leagues · opens in a new tabBeat Jung Myung-hoon (Fantasy) 3-2 in the final at Sajik Gymnasium in Busan. He came back after losing the first two sets, for his second Starleague title.
Source 10 · MyDaily (Korean) · Batoo Starleague final · opens in a new tabBeat Park Myung-soo 3-0 in the final at the Olympic Park fencing stadium in Seoul. After Lee Yun-yeol and Park Sung-joon, he was the third to win three Starleague titles, which earned him the Golden Mouse.
Source 11 · MyDaily (Korean) · Bacchus Starleague final · opens in a new tabBeat Song Byung-gu (Stork) 2-1 in the final in Chengdu, China. It was his first international title.
Source 12 · Fomos (Korean) · WCG 2009 gold medal · opens in a new tabSource 13 · Yonhap News Agency (Korean) · Jaedong, e-sports Player of the Year two years running · opens in a new tabAt the 4th ceremony he received Player of the Year and Best Zerg. Both were second straight wins.
Source 13 · Yonhap News Agency (Korean) · Jaedong, e-sports Player of the Year two years running · opens in a new tabBeat Lee Young-ho (Flash) 3-1 in the final at MBC in Yeouido. It made five individual-league titles in total, which Electronic Times reports as the most among Zerg players.
Source 14 · Electronic Times (Korean) · Nate MSL, unbeaten title · opens in a new tabBecame the first player to reach 200 regular-season Proleague wins. It came 4 years, 11 months and 28 days after his debut.
Source 15 · OSEN (Korean) · Lee Young-ho goes for 200 Proleague wins · opens in a new tabSource 06 · Gamedonga (Korean) · Top 10 e-sports news of 2011 · opens in a new tab The exact date was not confirmed.Beat Shin No-yeol in a match against Samsung Electronics to become the first player in StarCraft history to reach 400 official wins. It came 5 years, 7 months and 21 days after his debut.
Source 06 · Gamedonga (Korean) · Top 10 e-sports news of 2011 · opens in a new tabPlayed for EG from 2012. Busan Ilbo reports that after switching to StarCraft II he was a core player for the overseas team Evil Geniuses. In 2016 he changed his region of activity to Korea.
Source 16 · Fomos (Korean) · Jaedong announces retirement as a pro gamer · opens in a new tabSource 03 · Busan Ilbo (Korean) · Streaming announced a day after retirement · opens in a new tab The exact timing of the move was not confirmed.Beat Sasha Hostyn (Scarlett) 4-2 in the final of the tournament in Germany. It was his first StarCraft II title.
Source 17 · Sports World (Korean) · ASUS ROG NorthCon 2013 · opens in a new tab The article was published Dec. 9, and the match date is not in it.Won the tournament held in Texas, in the United States.
Source 18 · Daily eSports (Korean) · WEC 2014 title · opens in a new tab The date of the match was not confirmed.Beat Snute 2-1 in the Grand Final at Huanglong Stadium in Hangzhou, China. The prize was 150,000 yuan.
Source 18 · Daily eSports (Korean) · WEC 2014 title · opens in a new tabAnnounced his retirement as a pro gamer on his social media.
Source 16 · Fomos (Korean) · Jaedong announces retirement as a pro gamer · opens in a new tabHis management company announced that he would start streaming StarCraft 1 from that month.
Source 03 · Busan Ilbo (Korean) · Streaming announced a day after retirement · opens in a new tabEnlisted as an active-duty soldier in the army.
Source 19 · Wikitree (Korean) · Jaedong enlists · opens in a new tabSource 20 · Daily eSports (Korean) · Jaedong completes his service · opens in a new tabFinished 1 year and 6 months of military service. He had been on terminal leave since Oct. 7.
Source 20 · Daily eSports (Korean) · Jaedong completes his service · opens in a new tabIn Group D of the round of 24 he lost the winners’ match but beat Jung Min-gi in the decider match to advance. It was his first round-of-16 appearance in two seasons.
Source 21 · OSEN (Korean) · Reaches the ASL Season 15 round of 16 · opens in a new tabAdvanced from Group E of the round of 24 in 2nd place. It was his first round-of-16 appearance in three seasons.
Source 22 · Daily eSports (Korean) · Reaches the SSL round of 16 · opens in a new tabPlayed in Group B of the round of 16 with Jo Ki-seok, Lee Young-woong and Do Jae-wook.
Source 23 · Economic Review (Korean) · ASL Season 19 round of 16 opens · opens in a new tab The article is a preview before the matches, and the results were not confirmed.Was in Group C of the round of 24 with Do Jae-wook, Jung Kyung-doo and Lee Young-woong, and advanced to the round of 16 as the group’s 2nd place.
Source 24 · Xportsnews (Korean) · ASL Season 22 round of 24, week 1 · opens in a new tabSource 25 · Seoul Economic TV (Korean) · ASL Season 22 round of 24, week 2 · opens in a new tabLost 1-3 in sets to Park Sang-hyun in the quarterfinals.
Source 26 · Kukmin Ilbo (Korean) · Park Sang-hyun beats Jaedong · opens in a new tabEND OF SELECTED RECORDSSelected records, 2006–2026 · not a complete list of work. “Key moment” is an editorial label, not a measure of success.
What did they do, and at what age?
AgeTrail lines up the key moments of a life by age.
Debut and breakthrough are marked separately, and every record has a source.
Games · South Korea
1990 —
Ages are counted from the birth year 1990: the year of the event minus 1990, birthdays aside. “Key moment” labels and the connecting story are AgeTrail's editorial reading.
Fact-checked: 2026.10.06 · An independent archive, not affiliated with the person or their agency.