Petr Bar Biryukov vs Fajing Sun | Ningboo Round of 16

UMPIRY

NingbooR16HardThu 29 Oct · 05:30 UTCCENTER COURT · Next on

Petr Bar BiryukovATP #331 · RUS46%

VSToss-up

Fajing SunATP #292 · CHN54%

Win probabilityWho is more likely to winToss-up

46%54%

No meaningful edge. Serve performance in the first set is the likeliest tiebreaker.

Umpiry ScoreMatchup strength, 0–10 · not a probability

Bar Biryukov P.5.9/10

Even match

Sun F.6.1/10

Even match

Why

Surface+55 Hard Elo edgeSupports Sun F.

Overall ratingOverall Elo 1496Supports Sun F.

Head-to-headLeads 1–0 on hardAgainst the prediction · Bar Biryukov P.

Long matches1 three-setter in 14 daysAgainst the prediction · Bar Biryukov P.

This eventDidn't play here last yearBoth players

ELO1 673

Hard ELO1 659

Last 104–6

Age24

Height196 cm

PlaysLeft

EarningsCareer $143K2026 $40K

ELO1 685

Hard ELO1 646

Last 105–5

Age30

Height178 cm

PlaysRight

EarningsCareer $530K2026 $69K

Petr Bar Biryukov faces Fajing Sun in the Ningboo round of 16 on hard. Fajing Sun is the paper favourite — ranked #292, a roughly 60-point hard Elo advantage — but Petr Bar Biryukov has won their only previous meeting. Recent hard form is closely matched.

Key context

Freshness: Petr Bar Biryukov comes in with 1 days of rest and 53 games in 14d, vs Fajing Sun's 1 and 81.
Form trend: Form trajectories diverge: Fajing Sun rising, Petr Bar Biryukov cooling.
Last match: Petr Bar Biryukov dropped the opening set before beating Semen Pankin 6–7 7–6 6–4.

Common opponents

1 shared · last 12 months

Bar Biryukov P. and Sun F. faced 1 of the same opponent in the last 12 months. Bar Biryukov P. went 0–1 (0%) against them, Sun F. 0–1 (0%).

0–10%Bar Biryukov P. · better vs 0Record vs common opponents0–10%Sun F. · better vs 0

Vs common opponents · derived from scorelines

0–1Sets0–2

3–6Games2–12

Only 1 common opponent — too few for any conclusion. Shown without assessment.

vs Safiullin R.#69L3-6Stuttgart · grassL2-6 0-6Hangzhou · hard

Head-to-head

1 meeting · Bar Biryukov P. leads 1–0

Bar Biryukov P.January 2026Phan Thiet 1 CHHard6-4 6-3

Evidence

Bar Biryukov P.Sun F.

FormLast 10 matches each · 2026

Win–loss4–65–5

Season win rate56% (36–28)52% (31–29)

RatingUmpiry ELO

Overall ELO16731685

Hard-court ELO16591646

Serve vs returnLast 56 vs 59 matches

1st-serve points won75%70%

Return points won32%38%

Aces / match9.63.6

ClutchLast 56 vs 59 matches

Break points saved63%63%

When it starts

CENTER COURT · Next on · Followed by

1This match: Bar Biryukov P. v Sun F.This match
2Zhou Y. v Delaney J.Followed by
3Schoolkate T. v Cui J.Not before 6:00 PM

Draw

Odds

Freshness

Last 7 & 14 days

Bar Biryukov P.Sun F.

1Days since last match1

1Matches · 7 days2

36Games · 7 days63

2Matches · 14 days3

53Games · 14 days81

Green marks the fresher player.

Cite this

Umpiry, "Petr Bar Biryukov vs Fajing Sun — Ningboo Round of 16", https://umpiry.com/match/2026-10-29/biryukov-vs-sun-ningboo-r16?utm_source=cite (as of 29 October 2026).