No meaningful edge. Serve performance in the first set is the likeliest tiebreaker.
Umpiry ScoreMatchup strength, 0–10 · not a probability
Kha N.4.8/10
Heavy underdogBased on 5/6 signal groups5/6
Keller K.4.9/10
Heavy underdogBased on 5/6 signal groups5/6
Why
CountryWon 38% in USA (58)Informative
Head-to-headNo prior meetingsBoth players
This eventDidn't play here last yearBoth players
ELO1 499
Hard ELO1 497
Last 103–3
Age56
ELO1 474
Hard ELO1 486
Last 105–5
Age26
Common opponents
0 shared · last 12 months
No common opponents in the last 12 months. Surface form and ELO carry more weight here.
Head-to-head
They have not met before.
Evidence
Kha N.Keller K.
FormLast 6 vs 10 matches · 2026
Win–loss3–35–5
Season win rate50% (3–3)52% (11–10) (ahead)
RatingUmpiry ELO
Overall ELO1499 (ahead)1474
Hard-court ELO1497 (ahead)1486
Serve vs returnLast 3 vs 12 matches
1st-serve points won55% (ahead)51%
Return points won42%48% (ahead)
Aces / match1.0 (ahead)0.0
ClutchLast 3 vs 12 matches
Break points saved33%47% (ahead)
Draw
Odds
Conditions
12:00 local
SurfaceHard
Forecast22°C · Clear
Wind4 km/h
Humidity39%
Cite this
Umpiry, "N. Kha vs Kelly Keller — W35 Bakersfield Qualifying Round of 16", https://umpiry.com/match/2026-10-20/keller-vs-kha-w35-bakersfield-q16?utm_source=cite (as of 20 October 2026).