2023 Keio Challenger – Men's singles

Men's singles
2023 Keio Challenger
Champion Yosuke Watanuki
Runner-up Yuta Shimizu
Score7–6(7–5), 6–4

Christopher O'Connell was the defending champion[1] but chose not to defend his title.

Yosuke Watanuki won the title after defeating Yuta Shimizu 7–6(7–5), 6–4 in the final.

Seeds

  1. Yosuke Watanuki (champion)
  2. Jurij Rodionov (first round)
  3. Michael Mmoh (semifinals)
  4. James Duckworth (second round, withdrew)
  5. Maxime Cressy (withdrew)
  6. Luca Nardi (quarterfinals)
  7. Marc Polmans (second round)
  8. Leandro Riedi (second round)

Draw

Key

Finals

Semifinals Final
          
1 Yosuke Watanuki 6 62 6
3 Michael Mmoh 4 77 0
1 Yosuke Watanuki 77 6
Yuta Shimizu 65 4
Yuta Shimizu w/o
Q Yasutaka Uchiyama

Top half

First round Second round Quarterfinals Semifinals
1 Y Watanuki 6 6
Y-h Hsu 3 3 1 Y Watanuki 6 6
Q C Sinclair 3 2 LL M Erhard 4 3
LL Mathys Erhard 6 6 1 Y Watanuki 3 6 6
Q A Holmgren 4 1 LL G Fonio 6 2 1
LL G Fonio 6 6 LL G Fonio 4 77 6
WC R Noguchi 2 2 8 L Riedi 6 64 4
8 L Riedi 6 6 1 Y Watanuki 6 62 6
3 M Mmoh 6 6 3 M Mmoh 4 77 0
M Echargui 1 2 3 M Mmoh 6 5 77
G Blancaneaux 6 61 6 G Blancaneaux 4 7 63
Q O Jasika 4 77 3 3 M Mmoh 78 2 6
Q K Ivanovski 6 5 6 6 L Nardi 66 6 4
Z Bergs 1 7 2 Q K Ivanovski 2 4
LL Y-s Chung 2 4 6 L Nardi 6 6
6 L Nardi 6 6

Bottom half

First round Second round Quarterfinals Semifinals
7 M Polmans 6 6
C İlkel 1 0 7 M Polmans 4 4
J Jung 4 5 Y Shimizu 6 6
Y Shimizu 6 7 Y Shimizu 79 61 77
Alt A Çelikbilek 6 3 2 C Wong 67 77 64
C Wong 2 6 6 C Wong w/o
Z Kolář 2 77 2 4 J Duckworth
4 J Duckworth 6 64 6 Y Shimizu w/o
Q N Nakagawa 65 6 2 Q Y Uchiyama
A Martin 77 1 6 A Martin 6 4 5
WC R Sakamoto 4 3 L Tu 2 6 7
L Tu 6 6 L Tu 61 5
Q Y Uchiyama 6 6 Q Y Uchiyama 77 7
WC M Imamura 1 1 Q Y Uchiyama 2 6 6
S-c Hong 78 78 S-c Hong 6 4 4
2 J Rodionov 66 66

References

  1. ^ "Ranking movers: Chris O'Connell climbs to new career-high". Tennis Australia.