United StatesTiburon - USAFinished

Predictions graded

Abedallah Shelbayh #267Jordan0Michael Mmoh #181United States2

Sets 4-6 · 4-6Fri 18 Sept 2026, 22:25 Predictions gradedQuarter-FinalHard

Predictions0–80%

Edges0–10%

Player Profiles

Ranking advantageMichael Mmoh · 86 places

Abedallah Shelbayh

Jordan

The ITF lists clay as Shelbayh's preferred surface. He reached career-high No. 181 on 29 January 2024.

Current ranking: #267
Peak ranking: #181 · 2024
Current age: 22
Preferred surface: Clay
Hand: Left handed
Height: 180 cm

Michael Mmoh

United States

Former world No. 81, achieved in September 2023. The supplied current ranking is No. 181; ITF lists hard courts as his preferred surface.

Current ranking: #181
Peak ranking: #81 · 2023
Current age: 28
Preferred surface: Hard
Hand: Right handed
Height: 188 cm

Quick Take

Pre-match view

Context last updated 17 Sep 2026, 06:14 · Europe/Bucharest

Shelbayh is a modest but justified favourite over Mmoh at Tiburon, with the edge coming from stronger recent form, better quality of opposition, and Mmoh's 6.0 double faults per match.

The best value is Shelbayh at around 1.90 (implied 52.6% vs 58% model), while Over 21.5 games and Over 2.5 sets are the most structurally supported side plays given both players' tendency toward long, split-set matches.

Context

Shelbayh, 22, is a left-handed Jordanian ranked No. 258 who has played almost all of his recent tennis on hard courts. Mmoh, 28, is a right-handed American ranked No. 178 with a career built largely on hard courts.
Shelbayh's 9-6 recent hard-court record is better than Mmoh's 6-6, but Mmoh leads in aces per match (5.5 to 3.9), break points saved (59.3% to 59.8% is nearly level) and first-serve points won (72.2% to 71%). Shelbayh's higher double-fault rate (3.8 per match) against Mmoh's 6.2 per match is a wash. The records point one way, the serve numbers another, so this quarter-final may hinge on who holds serve more reliably under pressure.
- Shelbayh last-15 hard-court record: 9-6 (60%), 3.9 aces per match, 71% first-serve points won, 3.8 double faults per match.
- Mmoh last-15 hard-court record: 6-6 (50%), 5.5 aces per match, 72.2% first-serve points won, 6.2 double faults per match.
- Shelbayh has played 15 hard-court matches in the last-15 window; Mmoh has played 12 hard-court matches in the same window.
Shelbayh has played a dense hard-court schedule through the North American summer, including three-setters against Ryan Seggerman, Dhakshineswar Suresh and Tyler Zink. Mmoh has also played regularly but with a slightly longer average match time.
Shelbayh's last five matches include two three-setters and a 7-6 first set against Tristan Boyer, adding up to meaningful court time. Mmoh's recent matches have been shorter on average, but his 114.4-minute average across the last-15 window is higher than Shelbayh's 102.8. If this quarter-final goes deep, Shelbayh's accumulated load could be a factor, though both players are accustomed to long matches on hard courts.
- Shelbayh's last-15 average match duration: 102.8 minutes across 15 matches.
- Mmoh's last-15 average match duration: 114.4 minutes across 15 matches.
- Shelbayh's last five matches include three three-setters (vs. Seggerman, Suresh, Zink).
Mmoh, a former top-100 player, retired during a hard-court match against William Manning on July 1, 2026, while trailing 3-3 in the third set. He has since completed six matches, including two wins at Tiburon.
The retirement is more than two months old and Mmoh has played a full schedule since, including back-to-back straight-set wins this week. There is no current evidence that the issue is affecting him, so this is a background note rather than an active concern. If he shows physical limitations during the quarter-final, the July retirement provides context, but it should not be treated as a present restriction.
- Mmoh retired in a match on July 1, 2026, against William Manning at 3-3 in the third set.
- Since that retirement, Mmoh has played six matches without another retirement, including two wins at Tiburon.
- Mmoh's most recent matches at Tiburon were straight-set wins over Karue Sell and Patrick Maloney.
Both players are on a hard court for this quarter-final at the Tiburon Challenger 125, played at Tiburon Peninsula Club from 14 to 20 September. The surface suits the serve-and-return patterns both have shown recently, so the setting itself does not separate them.
- The current 2026 draw lists Shelbayh versus Mmoh in the quarter-finals and identifies the tournament as a hard-court Challenger 125.
ConfirmedSources checked 17 Sep 2026, 06:13 · Europe/BucharestCanal Tenis Tiburon 2026 draw updatecanaltenis.com · 16 Sep 2026

BetBugs edges

Compare BetBugs' chances with the market's.

BetBugs probabilities

How likely BetBugs thought each outcome was.

Result0 of 1 landed

Signal quality Medium · Uncertainty band Lean · Market price 1.90
The read
Shelbayh holds the stronger recent-form and quality-of-opposition edge on hard courts (Core 5 signals 1 and 3), while Mmoh's higher double-fault rate and weaker recent record against better-ranked opposition tilt the match to the left-hander.
- Last-15 overall: Shelbayh 9-6 (60%) vs Mmoh 6-9 (40%), both fully tracked over 15 matches
- Hard-court last-15: Shelbayh 9-6 with 51.1% games won; Mmoh 6-6 with 51.6% games won (12 matches tracked)
- Shelbayh arrives on a 2-match win streak at Tiburon (d. Boyer 7-6 6-1, d. Zink in 3); Mmoh's 2 wins came vs opponents ranked 864 and 748
- Serve/return structure: Shelbayh 71% first-serve points won and 36.8% return points won vs Mmoh 70.5% and 39.1%, but Mmoh's 6.0 DF/match is a live liability
BetBugs · Match WinnerlostAbedallah ShelbayhEstimated chance58%

Games0 of 2 landed

Signal quality Medium · Uncertainty band Slight lean · Not priced
The read
Both players' recent matches routinely run long and their near-even games-won percentages on hard courts point to a tight, extended Bo3 rather than a straight-set blowout.
- Shelbayh's last-15 average match duration is 102.8 minutes; Mmoh's is 114.4 minutes
- Shelbayh's last 5 matches include three 3-setters (15, 15, 13 games won) and a 13-7 two-setter
- Mmoh's hard-court last-15 games won is 51.6%, indicating competitive, extended sets
- Both players' break-point save rates are similar (Shelbayh 59.8%, Mmoh 62.7%), limiting runaway sets
BetBugs · Total GameslostOver 21.5Estimated chance56%
Signal quality Low · Uncertainty band Near coin-flip · Not priced
The read
Shelbayh's slightly better overall games-won rate and stronger recent opposition give him a narrow game-margin edge, though the hard-court split is nearly even.
- Shelbayh's last-15 games won is 51.1% vs Mmoh's 49.1% overall
- On hard courts, Shelbayh is 51.1% and Mmoh 51.6% in games won, essentially level
- Shelbayh's 2-match Tiburon win streak came against stronger-ranked opponents than Mmoh's
- Mmoh's 6.0 double faults per match creates game-losing risk
BetBugs · Game HandicaplostAbedallah Shelbayh -1.5Estimated chance50%

Sets0 of 3 landed

Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Shelbayh's cleaner recent first-set record and higher first-serve percentage give him a modest early-set edge, though the near-identical career first-set conversion keeps confidence low.
- Shelbayh won the opening set in both Tiburon matches this week (7-6 vs Boyer, 6-4 vs Zink)
- Career first-set win conversion 85% for both players, so the edge is marginal
- Shelbayh's 62.4% first-serve-in over last 15 gives him a slight early-rally stability edge over Mmoh's 57.5%
- Mmoh's two Tiburon wins were straight-set but against 748 and 864-ranked opponents
BetBugs · Set 1 WinnerlostAbedallah ShelbayhEstimated chance55%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Shelbayh's stronger second-serve return profile and Mmoh's weak 45.5% second-serve points won give Shelbayh a slight edge in set two.
- Shelbayh's last-15 second-set record includes several 6-1 and 6-2 sets (vs Boyer, Bolt, Cina)
- Shelbayh's 71% first-serve points won over last 15 supports sustained pressure
- Mmoh's 45.5% second-serve points won over last 15 is a vulnerability Shelbayh can exploit
- Mmoh's last-15 record is 6-9, indicating frequent mid-match fade
BetBugs · Set 2 WinnerlostAbedallah ShelbayhEstimated chance54%
Signal quality Medium · Uncertainty band Slight lean · Not priced
The read
Frequent split-set patterns in both players' recent windows (Core 5 signal 3) make a three-set match more likely than a clean two-setter.
- Shelbayh has gone to a deciding set in 4 of his last 6 completed matches
- Shelbayh's last-15 sets won is only 55.6% (20/36), showing frequent split sets
- Mmoh's last-15 sets won is 43.8% (14/32), also indicating dropped sets
- Both players' deciding-set win rates are close (Shelbayh 55%, Mmoh 57%)
BetBugs · Total SetslostOver 2.5Estimated chance52%

Match stats0 of 1 landed

Signal quality Medium · Uncertainty band Slight lean · Not priced
The read
Mmoh's elevated double-fault rate combined with Shelbayh's steady 3.8 per match pushes the combined total above the line (Core 5 signal 2).
- Mmoh averages 6.0 double faults per match over his last 15 (90 total), 6.2 on hard courts
- Shelbayh averages 3.8 double faults per match over his last 15 (57 total)
- Combined recent double-fault rate is roughly 9.8 per match, above the 8.5 line
- Mmoh's 57.5% first-serve-in rate increases second-serve exposure
BetBugs · Total Double Faultsnot gradableOver 8.5Estimated chance57%
Signal quality Medium · Uncertainty band Slight lean · Not priced
The read
The combined recent ace rate of both players (Core 5 signal 2, serve structure) sits above the line, driven mainly by Mmoh's 5.3-per-match average.
- Mmoh averages 5.3 aces per match over his last 15 (80 aces), 5.5 on hard courts
- Shelbayh averages 3.9 aces per match over his last 15 (59 aces)
- Combined recent ace rate is roughly 9.2 per match, above the 8.5 line
- Mmoh's 188cm frame and 65% career first-serve percentage support a steady ace supply
BetBugs · Total Acesnot gradableOver 8.5Estimated chance55%
Signal quality Medium · Uncertainty band Slight lean · Not priced
The read
Both players' recent windows feature frequent tiebreak sets and near-even games-won rates, making at least one tiebreak likely in a Bo3.
- Shelbayh's last 5 matches include three tiebreaks (vs Boyer, Damm, Sheehy)
- Shelbayh's career tiebreak win rate is 49%; Mmoh's is 53%
- Mmoh's recent matches include two tiebreak sets (vs Shimizu, Manning)
- Both players' hard-court games-won percentages are near 51%, indicating tight sets
BetBugs · Tiebreak in MatchlostYesEstimated chance54%

Previous match context available

Abedallah Shelbayh

9W 6L

7-6(2) 6-1#214Tristan Boyer

6-4 3-6 6-3#323Tyler Zink

6-4 7-6(2)#104Martin Damm

6-3 3-6 6-3#367Dhakshineswar Suresh

2-6 7-6(4) 6-3#672Ryan Seggerman

6-3 6-2#138Lloyd Harris

6-4 6-3#468Quinn Vandecasteele

7-6(4) 2-6 6-4#149Dusan Lajovic

7-6(3) 6-2#168Federico Cina

6-2 6-3#162Alex Bolt

7-5 6-4#339Mees Rottgering

6-3 2-6 7-6(2)#747Joshua Sheehy

4-6 7-5 7-6(4)#104Martin Damm

6-4 7-6(2)#224Billy Harris

6-4 6-1#88Michael Zheng

Michael Mmoh

6W 9L

7-5 6-3#864Patrick Maloney

6-3 6-2#748Karue Sell

7-5 6-4#118Henrique Rocha

6-3 7-5#194Edas Butvilas

6-4 6-4#135Rei Sakamoto

6-4 6-2#175Harry Wendelken

7-5 6-4#92Benjamin Bonzi

6-3 6-4#297Yu Hsiou Hsu

7-6(7) 3-6 3-3 ret.—William Manning

7-6(3) 7-6(5)#399Yuta Shimizu

4-6 6-3 6-2#119Vilius Gaubas

7-6(4) 6-4#82Aleksandar Kovacevic

6-2 6-4#309Filippo Romano

6-2 6-4#202Colton Smith

1-6 6-1 6-2#403Justin Boulais

Stat Battle

Last 15 match performance, compared side by side.

ASAbedallah ShelbayhShelbayh

Last 15

3–4

9 core stats · 2 even

Michael MmohMmohMM

Michael Mmoh carries the stronger recent form — Abedallah Shelbayh's route runs through serve.

Serve · 3–1 · 1 even

1st Serve In62.4%+4.9pp57.5%

1st Serve Won71.0%—70.5%

2nd Serve Won50.9%+5.4pp45.5%

Aces / Match3.9+1.45.3

Double Faults / Match3.82.2 fewer6.0

Return · 0–1

Return Pts Won36.8%+2.3pp39.1%

Pressure · 0–2

Break Pts Converted42.0%+2.8pp44.8%

Break Pts Saved59.8%+2.9pp62.7%

Points · 0–0 · 1 even

Total Pts Won50.2%—49.7%

Serve · 3–1 · 1 even

62.4%1st Serve In+4.9pp57.5%

71.0%1st Serve Won—70.5%

50.9%2nd Serve Won+5.4pp45.5%

3.9Aces / Match+1.45.3

3.8Double Faults / Match2.2 fewer6.0

Return · 0–1

36.8%Return Pts Won+2.3pp39.1%

Pressure · 0–2

42.0%Break Pts Converted+2.8pp44.8%

59.8%Break Pts Saved+2.9pp62.7%

Points · 0–0 · 1 even

50.2%Total Pts Won—49.7%