Marko Nikolic vs S. Kostic — M15 Kursumlijska Banja Qualifying Round of 16
M15 Kursumlijska Banja · ITF · Qualifying Round of 16
2 — 0
Sets
Tuesday, 25 August 2026 ·
clay
AUSS. Kostic
19 yrs
Last 10 · pre-match
WWLWWWWWLW
Nikolic M.6-3 6-4
Kostic S.
Nikolic M.
662
Kostic S.
340
Marko Nikolic defeated S. Kostic 6-3, 6-4 in the qualifying round 1 of the M15 Kursumlijska Banja tournament on clay. Nikolic served 1 ace and 1 double fault, winning 85% of his first serves and converting 67% of break points. Kostic had 2 aces and 5 double faults, winning 72% of his first serves.
Key context
- Match story: Marko Nikolic closed it out in two sets, 6–3 6–4.
Head to head
No previous meetings on record.
Statistics
This seasonNikolic M.Kostic S.
1st serve in·
47%
—
1st serve points won·
69%
—
2nd serve points won·
49%
—
Service points won·
58%
—
Return points won·
39%
—
Break points saved·
63%
—
Aces / match·
1.0
—
Double faults / match·
6.0
—
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.
Win Probability
Pre-match · updated 09:50 UTCNikolic M.66%
Kostic S.34%
Toss-up
50–58%
50–58%
Slight edge
58–67%
58–67%
Clear favourite
67–80%
67–80%
Strong favourite
80%+
80%+
Slight edge · Nikolic M. narrowly ahead
Calibrated model (out-of-sample validated). Probability is a statistical estimate, not a certainty. How it works.
Umpiry Score
Pre-matchKostic S.
4.9
Heavy underdogUmpiry ScorePartial · surface data limited- Back-to-back day (−0.5)
Form & Matchup
5.0No prior meetings
H2H5.0No prior meetings
0.0
Win streakContext
5.0Didn't play here last year
Defending pts5.0Didn't play here last year
The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
Conditions
Weather
32°CClear
Wind 19 km/hHumidity 30%