Win more if the outcome lands within a range

A bookmaker's middle allows you to bet on overlapping lines from different bookmakers and win both bets if the result falls within a specific range. Read more


We've just found 966 middles for your filter settings.

Of these, 957 middles offer a positive expected value.

To see middles with a positive expected value and lossless surebets-middles, please choose a plan.

Found 9 middles with Tennis and 20Bet |
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Examples with a low expected value
| ProfitBookmaker ▲▼ EventMarketOdds
-0.44%7.65 / 11.1%
-10.36% / 79.3%

Betfair
Tennis
26/05
12:00
Siegemund – N Osaka
Women's Roland Garros 2026
Under 19.5 - lay
(6.5%)
£428.38
2.28
20Bet
Tennis
26/05
11:40
Siegemund, Laura – Osaka, Naomi
French Open Women Singles
Under 21
+ 1 middle for this event
-0.44%2.55 / 27.6%
-22.00% / 56.0%

20Bet
Tennis
26/05
14:30
Birrell, Kimberly – Pegula, Jessica
French Open Women Singles
AH1(+8)
Betfair
Tennis
26/05
16:00
Birrell – J Pegula
Women's Roland Garros 2026
AH1(+6.5) - lay
(6.5%)
£56.60
2.44
+ 1 middle for this event
-0.49%3.96 / 19.6%
-16.79% / 66.4%

Betfair
Tennis
27/05
09:00
Boulter – A Potapova
Women's Roland Garros 2026
AH2(−4.5) - lay
(6.5%)
£2.78
1.73
20Bet
Tennis
27/05
10:00
Boulter, Katie – Potapova, Anastasia
French Open Women Singles
AH2(−2)
+ 1 middle for this event
-0.55%3.63 / 20.9%
-17.77% / 64.5%

20Bet
Tennis
26/05
10:00
Walton, Adam – Medvedev, Daniil
French Open Men Singles
AH1(+10)
Betfair
Tennis
26/05
10:00
Walton – Medvedev
Men's Roland Garros 2026
AH2(−8.5)
(6.5%)
£173.83
+ 1 middle for this event
-0.78%5.54 / 14.4%
-13.26% / 73.5%

20Bet
Tennis
27/05
10:00
Khachanov, Karen – Trungelliti, Marco
French Open Men Singles
AH1(−5)
Betfair
Tennis
27/05
09:00
Khachanov – Trungelliti
Men's Roland Garros 2026
AH2(+6.5)
(6.5%)
£295.17