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SJ

Sion Ji

South Korea18 years old

ATP rank: Unranked
Titles: 0
2026: 1–2

No match scheduled.

L
W
L

Matches Splits Serve Seasons

Splits

Matches

1–233%

3 matches in 2026

LatestLost to Min Ho Ko, Astana Q227 Jul

Sets: 3–538%
Tiebreaks: 0–0
Deciding sets: 1–150%
From a set down: 0–20%
Finals: 0–0

Astana 2026ITF M1595.6SlowLost Q2

Min Ho KoM. Ho KoMin Ho Ko

Sets won: 2Set 1: 6Set 2: 2Set 3: 10

Sion JiS. JiSion Ji

Sets won: 1Set 1: 2Set 2: 6Set 3: 7

Sion JiS. JiSion Ji

Sets won: 2Set 1: 6Set 2: 2Set 3: 10

Sviatoslav LutkovskiiS. LutkovskiiSviatoslav Lutkovskii

Sets won: 1Set 1: 3Set 2: 6Set 3: 7

Andong 2026ITF M1591.2Very slowLost Q1

Beomchan OhB. OhBeomchan Oh

Sets won: 2Set 1: 6Set 2: 6

Sion JiS. JiSion Ji

Sets won: 0Set 1: 0Set 2: 1

Serve & return

Last 12 months against the tour average

Pro Holds, breaks, aces, first and second serve, break points saved and return points won, each against the tour average.

Season by season

3 matches on record

SeasonAllHardClayGrassTitlesBest rank

20261–21–2––