Wins
227
Indexed tournament wins
Player record
Zhongkai (john) Xu
Losses
152
Indexed tournament losses
Matches
379
Decisive results
Win rate
59.9%
Across indexed matches
Peak rating
1,793
Highest rating in the available history.
Biggest upset
Hau Lam
2011 Rose City Open · Jun 12, 2011 · +376 rating
Open →Biggest loss
John Peng
2009 Rose City Open · Jun 28, 2009 · -478 rating
Open →Most frequent opponent
Brian Yoder
11 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
44 tournament appearances · synced Aug 11, 2026, 9:13 PM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Feb 28, 2026 | Paddle Palace Club 2026 Winter OpenOther Sanctioned Tournaments · View matches | 1,662 | 1,644 | -18+0 / -18 | 0W / 2L |
| May 17, 2025 | Paddle Palace Club 2025 Spring OpenTournament · View matches | 1,692 | 1,662 | -30+0 / -30 | 1W / 2L |
| Jan 18, 2020 | PPC 2020 Winter OpenTournament · View matches | 1,707 | 1,692 | -15+0 / -15 | 2W / 2L |
| Oct 6, 2018 | Paddle Palace Club Fall OpenTournament · View matches | 1,683 | 1,707 | +24 | 11W / 4L |
| Aug 18, 2018 | Paddle Palace Club 2018 Summer OpenTournament · View matches | 1,666 | 1,683 | +17+21 / -4 | 4W / 1L |
| Jun 16, 2018 | Rose City OpenTournament · View matches | 1,680 | 1,666 | -14+1 / -15 | 3W / 4L |
| Mar 17, 2018 | 12th Annual Bill Mason Memorial TournamentTournament · View matches | 1,664 | 1,680 | +16+16 / 0 | 2W / 4L |
| Feb 10, 2018 | 2018 PPC February OpenTournament · View matches | 1,647 | 1,664 | +17+32 / -15 | 9W / 5L |
| Nov 11, 2017 | 2017 Stiga Portland OpenTournament · View matches | 1,667 | 1,647 | -20+3 / -23 | 4W / 2L |
| Aug 19, 2017 | Paddle Palace Club Summer OpenTournament · View matches | 1,646 | 1,667 | +21+29 / -8 | 9W / 2L |
| Jun 3, 2017 | 2017 Rose City OpenTournament · View matches | 1,637 | 1,646 | +9+11 / -2 | 4W / 2L |
| Nov 12, 2016 | 2016 Stiga Portland OpenTournament · View matches | 1,645 | 1,637 | -8+29 / -37 | 8W / 5L |
| Jun 11, 2016 | 2016 Rose City OpenTournament · View matches | 1,656 | 1,645 | -11+29 / -40 | 4W / 5L |
| Mar 19, 2016 | 10th Annual Bill Mason Memorial TournamentTournament · View matches | 1,675 | 1,656 | -19+1 / -20 | 2W / 3L |
| Nov 15, 2015 | 2015 Stiga Portland OpenTournament · View matches | 1,648 | 1,675 | +27+30 / -3 | 3W / 5L |
| Mar 14, 2015 | 9th Annual Bill Mason Memorial TournamentTournament · View matches | 1,635 | 1,648 | +13+29 / -16 | 7W / 1L |
| Nov 2, 2014 | 2014 Stiga Portland OpenTournament · View matches | 1,681 | 1,635 | -46 | 2W / 4L |
| Jun 8, 2014 | 2014 Rose City OpenTournament · View matches | 1,683 | 1,681 | -2 | 3W / 3L |
| Mar 15, 2014 | 8th Annual Bill Mason Memorial TournamentTournament · View matches | 1,671 | 1,683 | +12+33 / -21 | 5W / 3L |
| Nov 3, 2013 | 2013 Pacific Rim OpenTournament · View matches | 1,649 | 1,671 | +22 | 6W / 2L |
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