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TennisPlayersKei Nishikori
Kei NishikoriATP

Active ATP

Kei Nishikori 🇯🇵

Japanese tennis player (born 1989)

Tournament Run

Kei Nishikori’s road through US Open 2026.
QFUP NEXTK. NishikoriS. Ofner
SF
F

Live Odds

Current prediction-market probability, updated as prices change.

Kei NishikoriKei Nishikori48%yes52%novs Sebastian Ofner · US Open, Qualification ATP · match winner ›

Kei Nishikori is trading at 48% to beat Sebastian Ofner at US Open, Qualification ATP on Polymarket.
Kei NishikoriKei Nishikori48%Sebastian OfnerSebastian Ofner52%

25%50%75%Aug 24Aug 24Aug 24Aug 2452%48%

source: Polymarket

Player Overview

Key facts and market numbers.
Tour
ATP
Born
29 December 1989 (age 36)
Playing this week
Country
🇯🇵 Japan
Singles ranking
No. 703
Career-high ranking
No. 4 (2 March 2015)
Height
178 cm
Plays
Ambidextrous
Kei Nishikori is a professional tennis player from Japan competing on the ATP circuit, born 29 December 1989.

Match History

Every Kei Nishikori match our markets have settled, newest first. Each opens its own page with the score and the price history.

Recent Results

Completed matches, newest first.
Llost to M. TrungellitiCincinnati · 2026-08-13$213.1K · was 55%6-4 5-7 3-6Wdef. F. ComesanaCincinnati · 2026-08-126-4 1-6 7-5

Market Profile

Where the market places this player right now – every slider is computed from live Polymarket data, nothing is editorial.
Underdog ↔ Favorite
Average price across 1 open market: 48%. Above 50% means the market expects wins.
UnderdogFavorite
Steady ↔ In Motion
Average 7-day price move: 0.0 points. Big moves mean traders are actively repricing this player.
SteadyIn motion
Lightly Traded ↔ Heavily Traded
$9.6K across their open markets puts them in the top 29% of the current tennis pool by volume.
Lightly tradedHeavily traded

US Open, Qualification ATP: match winner?

$9.6K SEP 1, 2026
Kei NishikoriKei Nishikori48.5%
Sebastian OfnerSebastian Ofner51.5%

Trade on Polymarket

Live prices from Polymarket

Open Markets

Kei Nishikori is in 1 open market.

vs Sebastian OfnerUS Open, Qualification ATP · match winner48%