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J Ma

United States · Men's singles and men's doubles · 2014 to 2023

8
matches
38%
won
0
senior titles
0
finals
World ranking

Not on a world ranking list we hold: the full lists are kept from September 2026 and the weekly top lists from 2013, so a player outside them has none.

Our ratingHow it works
1,480Men's singles
last rated 2023

Highest 1,514.

Form
3/8won of the last
8 matches
  1. L
  2. L
  3. L
  4. W
  5. W
  6. L
  7. W
  8. L

Latest: lost to Ade Resky Dwicahyo, World Championships 2023, round of 64. Newest on the left.

Season by season

Matches played and won, year by year.

  • Played
  • Won
  • A title that year
'14
'16
'18
'20
'22
'23
Show the numbers
YearPlayedWonTitles
2023200
2022320
2014310
Recent matches

The last 8 matches.

Scores read from J Ma's side.

World Championships 2023Men's singles Round of 64 Ade Resky Dwicahyo 14–21 17–21 Lost
Pan Am Championships 2023Men's singles Round of 64 Da Silva 18–21 18–21 Lost
Pan Am Championships 2022Men's singles Round of 16 Job Castillo 18–21 16–21 Lost
Round of 32 A Haynes 21–12 21–4 Won
Round of 64 K Suria 21–8 21–11 Won
World Junior Championships 2014Men's doubles, with Timothy Lam Round of 32 Kim Jae-hwan / Kim Ji-hyun 8–21 7–21 Lost
Round of 64 Anthony Joe / Simon Leung 21–14 14–21 21–19 Won
World Junior Championships 2014Men's singles Round of 128 Lai Y-h 6–21 11–21 Lost
Partners and rivals

Who with, and who against.

Head to head counts every draw match between them, in any event.

Partners

Rivals