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Surface / cups

indoors clay grass hard / cup

Period

last 30 days last 90 days last 180 days last 360 days more that 360 days


----------

2026 2025

Tournament's prize / money

under 250,000 USD over 250,000 USD

Main tournament / qualification

main qualification

Rounds

1st rounds 2nd rounds 3rd rounds eight-finals quarter-finals semi-finals finals

The number of displayed matches

10 20 30 40 50


select all options


Koshiishi Ayumi (638) flag Japan Japan
Ayumi Koshiishi birthdate: 28.07.00, 25 r.
matches: 27
wins: 12
percentage: 44.4 %
FAVOURITE vs. OUTSIDER
losing as a favourite: 4
losing as an underdog: 11
wins as a favourite: 10
wins as an underdog: 2
reliability as an underdog: 84.6 %
reliability as a favourite: 71.4 %
Koshiishi Ayumi - latest matches for selected request
Nov 17, 2025
00:00		 eight-final Yang Ya-Yi (TAI) [9] (680) 2 6 6 L 2.06 Sydney (XI)
qualification		 hard IH2HOAI
Koshiishi Ayumi (JPN) [2] (473) 0 3 4 1.66
Nov 16, 2025
00:04		 1. round Koshiishi Ayumi (JPN) [2] (473) 2 6 6 W 1.45 Sydney (XI)
qualification		 hard IH2HOAI
Guillen Giselle Isabella (AUS) (1001) 0 0 2 2.45
Nov 14, 2025
02:50		 quarter-final Wei Sijia (CHN) [5] (223) 2 6 6 L 1.21 Brisbane (XI)
40 000 USD		 hard IH2HOAI
Koshiishi Ayumi (JPN) (473) 0 1 2 3.88
Nov 13, 2025
03:05		 eight-final Koshiishi Ayumi (JPN) (473) 2 6 7 W 1.24 Brisbane (XI)
40 000 USD		 hard IH2HOAI
Varaksina Arina (RUS) [LL] (1077) 0 2 6 (3) 3.62
Nov 11, 2025
01:00		 1. round Koshiishi Ayumi (JPN) (473) 2 6 6 W 1.31 Brisbane (XI)
40 000 USD		 hard IH2HOAI
Hule Petra (AUS) (587) 0 3 2 3.08
Oct 28, 2025
18:00		 1. round Cross Kayla (CAN) [4] (237) 2 2 6 6 L 1.4 Toronto (XI)
60 000 USD		 indoors IH2HOAI
Koshiishi Ayumi (JPN) (462) 1 6 2 3 2.75
Oct 24, 2025
19:00		 quarter-final Rogers Anna (USA) [3] (247) 2 6 6 L 1.4 Saguenay
60 000 USD		 indoors IH2HOAI
Koshiishi Ayumi (JPN) [8] (467) 0 2 4 2.67
Oct 24, 2025
00:30		 eight-final Koshiishi Ayumi (JPN) [8] (467) 2 7 2 6 W 1.64 Saguenay
60 000 USD		 indoors IH2HOAI
Chavez Teah (CAN) [WC] (1249) 1 6 (5) 6 2 2.12
Oct 21, 2025
20:25		 1. round Koshiishi Ayumi (JPN) [8] (467) 2 6 3 6 W 1.43 Saguenay
60 000 USD		 indoors IH2HOAI
Vagramov Alexandra (CAN) [WC] (739) 1 4 6 3 2.54
Oct 13, 2025
04:40		 eight-final Nugroho Priska Madelyn (IDN) [5] (333) 2 6 6 7 L 1.49 Jinan
qualification		 hard IH2HOAI
Koshiishi Ayumi (JPN) (436) 1 7 (2) 3 5 2.46
Sep 23, 2025
05:40		 1. round Matsuda Misaki (JPN) [Q] (648) 2 6 4 6 L 1.5 Incheon
100 000 USD		 hard IH2HOAI
Koshiishi Ayumi (JPN) (434) 1 4 6 2 2.34
Sep 18, 2025
08:05		 eight-final Falei Aliona (BLR) [5] (323) 2 6 6 L 1.38 Shenyang
30 000 USD		 indoors IH2HOAI
Koshiishi Ayumi (JPN) (414) 0 1 1 2.69
Sep 16, 2025
04:10		 1. round Koshiishi Ayumi (JPN) (414) 2 6 6 W 2.71 Shenyang
30 000 USD		 indoors IH2HOAI
Yang Yidi (CHN) (362) 0 1 3 1.4
Sep 11, 2025
04:10		 eight-final Ren Yufei (CHN) (452) 2 2 6 6 L 1.48 Guiyang
40 000 USD		 hard IH2HOAI
Koshiishi Ayumi (JPN) [6] (433) 1 6 4 3 2.41
Sep 9, 2025
04:10		 1. round Koshiishi Ayumi (JPN) [6] (433) 2 7 6 W 1.24 Guiyang
40 000 USD		 hard IH2HOAI
Liu Kallista (USA) [Q] (1012) 0 6 (8) 2 3.46
Sep 4, 2025
11:00		 eight-final Ku Yeon Woo (KOR) [5] (338) 2 6 6 L 1.17 Nakhon Pathom V
30 000 USD		 hard IH2HOAI
Koshiishi Ayumi (JPN) (383) 0 0 2 4.27
Sep 3, 2025
07:45		 1. round Koshiishi Ayumi (JPN) (383) 2 6 6 W 1.86 Nakhon Pathom V
30 000 USD		 hard IH2HOAI
Sato Hikaru (JPN) (437) 0 4 2 1.83
Aug 26, 2025
04:15		 1. round Lee Eunhye (2000) (KOR) [7] 2 7 6 L 1.96 Nakhon Pathom IV
30 000 USD		 hard IH2HOAI
Koshiishi Ayumi (JPN) (383) 0 6 (0) 3 1.73
Aug 5, 2025
10:50		 1. round Guerrero Alvarez Eva (ESP) (394) 2 6 6 L 1.31 Ourense
40 000 USD		 hard IH2HOAI
Koshiishi Ayumi (JPN) (372) 0 3 4 3.1
Jul 29, 2025
12:10		 1. round Nishino Nao (JPN) [Q] (1215) 2 6 6 L 2.75 Roehampton
30 000 USD		 hard IH2HOAI
Koshiishi Ayumi (JPN) (372) 0 4 4 1.4
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