J J Wolf vs Sander Jong — Fort Worth Round of 16
Why
Surface form5 of last 6 on hardAgainst the prediction · Jong S.
Recent run3-match win streakAgainst the prediction · Jong S.
CountryWon 54% in USA (92)Informative
Long matches2 three-setters in 14 daysSupports Wolf J.
Head-to-headNo prior meetingsBoth players
ELO1 804
Hard ELO1 704
Last 105–5
Age27
Height183 cm
PlaysRight
ELO1 695
Hard ELO1 569
Last 108–2
Age26
Height180 cm
PlaysRight
J J Wolf faces Sander Jong in the Fort Worth round of 16 on hard. J J Wolf is the paper favourite — ranked #216 — but Sander Jong rides a 3-match win streak.
Key context
- Freshness: Workload contrast: J J Wolf 19 games in 14 days, Sander Jong 88.
- Last match: Sander Jong edged Lui Maxted in two tight sets (7–6 6–4).
- Win streak: Sander Jong arrives on a 3-match winning run.
Common opponents
1 shared · last 12 monthsWolf J. and Jong S. faced 1 of the same opponent in the last 12 months. Wolf J. went 1–0 (100%) against them, Jong S. 1–0 (100%).
1–0100%Wolf J. · better vs 0Record vs common opponents1–0100%Jong S. · better vs 0
Vs common opponents · derived from scorelines
2–1Sets2–1
14–11Games16–13
1–0Deciding sets1–0
Only 1 common opponent — too few for any conclusion. Shown without assessment.
vs Mochizuki S.#129W6-2 2-6 6-3Cincinnati · hardW4-6 6-3 6-4s Hertogenbosch · grass
Head-to-head
They have not met before.
Evidence
Wolf J.Jong S.
FormLast 10 matches each · 2026
Win–loss5–58–2 (ahead)
Season win rate61% (17–11)78% (31–9) (ahead)
RatingUmpiry ELO
Overall ELO1804 (ahead)1695
Hard-court ELO1704 (ahead)1569
Serve vs returnLast 22 vs 38 matches
1st-serve points won73% (ahead)72%
Return points won38%44% (ahead)
Aces / match5.7 (ahead)4.3
ClutchLast 22 vs 38 matches
Break points saved48%66% (ahead)
Draw
Odds
Cite this
Umpiry, "J J Wolf vs Sander Jong — Fort Worth Round of 16", https://umpiry.com/match/2026-10-22/jong-vs-wolf-fort-worth-r16?utm_source=cite (as of 22 October 2026).