First, Understand Normal vs Extra-Point Games
In tennis betting, “extra points” usually refers to games that go beyond the normal 40-point structure — meaning the game reaches Deuce (40–40) and continues until one player wins by two clear points (Advantage in, Advantage out).
A standard tennis game can end:
- 40–0
- 40–15
- 40–30
But once it reaches 40–40 (Deuce), the game must continue until a player wins two consecutive points. That’s where “extra points” come in.
How Many Games Are Usually Decided by Extra Points?
There is no fixed number, but statistically:
- On average, 30%–40% of service games in professional matches go to Deuce.
- In tight matches between evenly matched players, it can be 40%–50%.
- In one-sided matches, it may drop below 20%.
For example:
- At tournaments like Wimbledon, matches between big servers often produce many Deuce games.
- On clay at French Open, longer rallies increase Deuce frequency.
Example Scenario
Match: Player A vs Player B
Total games played: 22
Let’s say:
- 8 games went to Deuce
- 14 ended normally
That means:
36% of games were decided by extra points.
This is very common in competitive matches.
How It Affects Betting
Some bookmakers offer:
- “Game to go to Deuce – Yes/No”
- “Total Deuce Games Over/Under”
- “Total Points in Match”
- “Total Games Over/Under”
If many games go to Deuce:
- The match lasts longer
- Total points increase
- Over bets become stronger
When Will More Games Go to Extra Points?
Extra-point games are more likely when:
- Players have similar skill levels
- Strong returners are playing
- Clay court surface (long rallies)
- Pressure matches (final sets)
- Lower-ranked players fighting for ranking points
For example, closely ranked players on the ATP Tour often produce high Deuce counts.
Betting Tips
1. Check Player Style
Big servers = fewer Deuce games
Strong returners = more Deuce games
2. Look at Head-to-Head History
If past matches had many long games, expect similar patterns.
3. Surface Matters
- Clay → More Deuce games
- Grass → Fewer Deuce games
- Hard court → Medium
4. Watch Live Momentum
If early games are reaching 30–30 frequently, Deuce count will likely increase.
Important Note
Tiebreaks are different.
A tiebreak is already an extended scoring format and is not counted as a “Deuce game” in most betting markets.
Final Answer
There is no fixed number, but typically:
👉 6–12 games in a 3-set match may be decided by extra points.
👉 10–18 games in a 5-set match can go to Deuce.
It depends on player level, surface, and match competitiveness.
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