Genaro Alberto Olivieri vs Tiago Pereira

Seville · CHALLENGER · Round of 16

ARG

Genaro Alberto Olivieri

#223ATP

1489ELO

1464Clay ELO

28 yrs · 175 cm · Right-handed

Last 10

WLLWLWLWWL

—

Sets

Thursday, 10 September 2026 · 14:00

clay

PORLL

Tiago Pereira

#355ATP

1179ELO

1200Clay ELO

22 yrs · Right-handed

Last 10

WLWLWLLWWL

Olivieri G.

Pereira T.

Genaro Alberto Olivieri faces Tiago Pereira in the Seville round of 16 on clay. Genaro Alberto Olivieri holds the paper edge — ranked #223, a roughly 260-point clay Elo advantage. Recent clay form is closely matched.

Win Probability

Pre-match · updated 17:50 UTC

Olivieri G.51%

Pereira T.49%

Toss-up
50–58%

Slight edge
58–67%

Clear favourite
67–80%

Strong favourite
80%+

Toss-up · Too close to call

Calibrated model · 63% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.

Key context

Freshness: Genaro Alberto Olivieri comes in with 2 days of rest and 80 games in 14d, vs Tiago Pereira's 1 and 134.
Surface form: Both 3 of 6 on clay recently — court-specific quality nearly identical despite the ranking gap.

Common opponents

Last 12 months

No common opponents in the last 12 months.

Includes tour-level, 125s, qualifying and team events (⚑). Walkovers excluded. Describes past results in different contexts — not a prediction.

Umpiry Score

Pre-match

Olivieri G.

6.9

Slight advantageUmpiry Score

Pereira T.

4.7

Heavy underdogUmpiry Score

Form & Matchup

8.3+264 Clay Elo edge

Surface ELO

1.7Clay Elo 1200

8.9Overall Elo 1489

ELO gap

1.1Overall Elo 1179

5.0No prior meetings

H2H

5.0No prior meetings

5.05 of last 10 on clay

Surface form

4.44 of last 10 on clay

Fatigue & Travel

4.02 three-setters in 14 days

3-set count

0.03 three-setters in 14 days

Context

5.0Didn't play here last year

Defending pts

5.0Didn'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.

22 vs 17 matches

Statistics

This season

Olivieri G.Pereira T.

1st serve in·Clear edge

77%

58%

1st serve points won·Slight edge

59%

64%

2nd serve points won·Slight edge

50%

44%

Service points won·Even

57%

56%

Return points won·Even

40%

39%

Break points saved·Clear edge

60%

48%

Aces / match·Slight edge

1.0

2.4

Double faults / match·Clear edge

1.1

2.4

Averages over each player's completed matches in the selected window (22 vs 17). ATP, WTA & Challenger.

Serve vs return

This season

Olivieri G.serving62% hold

wins 55% of points on serve vs Pereira T.

Pereira T.serving58% hold

wins 53% of points on serve vs Olivieri G.

Baseline battle — serve is shaky, expect plenty of breaks

Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About

Freshness

Recent load

Olivieri G.Pereira T.

Freshness·Dominant

Olivieri G.: 2 days rest · 1 match, 25 games (7d) · Pereira T.: 1 day rest · 4 matches, 112 games (7d). Higher means fresher. About

Conditions

Court speed

Medium-slowfavours grinders

SlowFast

Weather forecast

30°CMainly clear

Wind 10 km/hHumidity 51%

Head to head

No previous meetings on record.

Genaro Alberto Olivieri vs Tiago Pereira — Seville Round of 16