Home Players Colleges Tournaments Settings

Loading player details...

Your destination for men's college tennis and USTA tournament information.

Navigate

Colleges
Tournaments
Players

Resources

USTA
ITA Tennis
Universal Tennis

About

dropshotzone aggregates college tennis data and USTA tournament results powered by Universal Tennis Rating data.

© 2026 dropshotzone. All rights reserved. Data provided by UTR.

RK

Rira Kosaka

, · JPN

Singles UTR

10.18

Rated

Top 10%Better than 95%

Doubles UTR

10.11

Rated

Top 10%Better than 94%

Record

52-20

72% win rate

Events Played

2

This season

Statistics

52

Wins

20

Losses

72%

Win Rate

Singles UTR History

Doubles UTR History

Match Results

No matches found.

No matches found.

PTT Japan Women

UTR Pro Tennis Tour - Asia & Pacific

Invalid Date - Invalid Date

UTR PTT Yokohama Women

UTR Pro Tennis Tour - Asia & Pacific

Invalid Date - Invalid Date