Live points verified daily against the official ranking: 998 of 1,000 in the ATP top 1,000 match to the point. How we check ›
Ji Sung Nam is a 32-year-old South Korean professional on the ATP tour with 18 ranking points. Standing 183 cm, Nam is a right-hander with a two-handed backhand. Nam was born in Busan, South Korea.
Our rating model puts Nam at 1479 ELO across 108 rated matches, strongest on hard courts (1503). Nam's next scheduled points drop is 2 points from Zhangjiagang Challenger on August 24, 2026, when that result rolls off the 52-week ranking, and 7 results currently count toward Nam's ranking total.
<a href="https://atprank.com/player/ji-sung-nam"><img src="https://atprank.com/api/card/player/ji-sung-nam" alt="Live tennis ranking — atprank.com" width="640" height="180" /></a>Live card — updates automatically. Free to embed with the atprank.com link.
From matches in our dataset (2023–present).
Biggest upset victories — matches Ji Sung Nam won as the betting underdog, ranked by pre-match odds.
Ji Sung Nam’s wins over the highest-rated opponents, by the opponent’s pre-match ELO (since 2023).
Philip HenningYokohama Challenger 2024 · 7-6(3) 3-6 7-5ELO 1637def. 
Andre IlaganNonthaburi 3 Challenger 2024 · 6-4 6-4ELO 1572def. 
Neil OberleitnerSeoul Challenger 2025 · 6-3 4-6 6-1ELO 1571def. 
Duje AjdukovicKobe Challenger 2025 · 6-4 5-7 6-4ELO 1569def. 
Naoki NakagawaYokohama Challenger 2024 · 6-3 6-3ELO 1563Last match May 31, 2026 · last win Mar 29, 2026
Ji Sung Nam's most-played opponents. Open any rivalry for the full meeting record and a win-probability prediction.
Otto Virtanen
Francesco Forti