Na Jung-woong (; born 31 October 1992) is a South Korean tennis player.
Career Na has a career high ATP singles ranking of 404 achieved on 16 September 2013. He also has a career high ATP doubles ranking of 966, achieved on 19 May 2014. He represents South Korea at the Davis Cup, where he has a W/L record of 0–1.
Challengers and Futures finals Singles (1–5) Legend ATP Challenger Tour (0–0) ITF Tour (1–5)Titles by surfaceHard (1–4)Clay (0–1)Grass (0–0)
OutcomeDateTournamentSurfaceOpponentScoreRunner-upSeoul, South KoreaHard Daniel Nguyen1–6, 4–6Runner-upBhopal, IndiaHard Sriram Balaji5–7, 5–7WinnerGimcheon, South KoreaHard Chung Yun-seong6–3, 6–1Runner-upGimcheon, South KoreaHard Yusuke Watanuki5–7, 3–6Runner-upAnseong, South KoreaClay Cho Min-hyeok7–6, 2–6, 4–6Runner-upDaegu, South KoreaHard Hong Seong-chan0–6, 3–6
Doubles (0–1) LegendATP Challenger Tour (0–0) ITF Tour (0–1)Titles by surfaceHard (0–0)Clay (0–1)Grass (0–0)
OutcomeDateTournamentSurfacePartnerOpponentScoreRunner-upCairo, EgyptClay Yun Jae-won Maxime Janvier Kamil Majchrzak2–6, 2–6
External links