Win more if the outcome lands within a range

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


For your filter settings we just found 54 middles.

Of these, 22 middles offer positive expected value.

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

Found 31 middles with Tennis and 31Bet |
| Back to my middles
(Auto updates — Shift+P to start them) (Auto updates — Shift+P to pause them)

Examples with low expected value
| Profit Bookmaker ▲▼ Event Market Odds
0.89% / 43.5%
-29.70% / 40.6%

888sport
Tennis
31/07
01:00
Coco Gauff – Veronika Kudermetova
Canada - WTA Montreal
11-2 1st set
31Bet
Tennis
31/07
17:30
Gauff, Coco – Kudermetova, Veronika
WTA - Montreal, Canada
AH2(+3.5) 1st set
+ 1 middle for this event
0.84% / 21.3%
-16.88% / 66.2%

Betfair
Tennis
31/07
14:00
Evans – Mi Zheng
Lexington Challenger 2025
21-2 - lay
1.86 (6.5%)

£25.21
2.16
31Bet
Tennis
31/07
15:00
Evans, Daniel – Zheng, Michael
Challenger - Lexington, USA
AH2(+1.5)
+ 2 middles for this event
0.75% / 13.9%
-11.53% / 77.0%

31Bet
Tennis
31/07
11:10
Van de Zandschulp, Botic – Masur, Daniel
Challenger - Hagen, Germany
AH1(−5.5)
888sport
Tennis
31/07
11:10
Botic Van De Zandschulp – Daniel Masur
Germany - ATP Challenger Hagen
AH2(+6.5)
+ 2 middles for this event
0.56% / 20.4%
-16.46% / 67.1%

Betfair (IT)
Tennis
31/07
11:00
Paris/Willis – Jecan/Pavel
Porto Challenger 2025
21-2 - lay
€127.52
3.30
31Bet
Tennis
31/07
11:00
Paris J / Willis M – Jecan A / Pavel B
Challenger - Porto, Portugal Double
AH2(+1.5)
0.45% / 20.2%
-16.46% / 67.1%

31Bet
Tennis
31/07
00:40
Fuchs Z / Thayne W – Basavareddy N / Suresh D
Challenger - Lexington, USA, Doubles
AH1(+1.5)
Stoiximan (GR)
Tennis
31/07
00:40
Zachary Fuchs / Wally Thayne – Nishesh Basavareddy / Dhakshineswar Suresh
Challenger - Lexington - Doubles
21-2
+ 2 middles for this event
0.39% / 57.5%
-36.25% / 27.5%

31Bet
Tennis
31/07
22:00
Tien, Learner – Opelka, Reilly
ATP - Toronto, Canada
Over 7.5 1st set
MostBet
Tennis
31/07
16:00
Tien L – Opelka R
ATP - Toronto. Hard
Under 10.5 1st set
+ 2 middles for this event
0.15% / 36.2%
-26.49% / 47.0%

31Bet
Tennis
30/07
23:00
Ruzic, Antonia – Muchova, Karolina
WTA - Montreal, Canada
Over 12 2nd participant
Betaland (IT)
Tennis
30/07
23:00
Ruzic Antonia – Muchova Karolina
WTA - Montreal (WTA 1000)
Under 13.5 2nd participant
+ 4 middles for this event
0.07% / 29.7%
-22.84% / 54.3%

31Bet
Tennis
31/07
17:30
Mboko, Victoria – Bouzkova, Marie
WTA - Montreal, Canada
Over 12 1st participant
Betano (BR)
Tennis
31/07
17:30
Victoria Mboko – Marie Bouzkova
WTA - Montreal (W)
Under 13.5 1st participant
+ 1 middle for this event
0.05% / 24.8%
-19.84% / 60.3%

31Bet
Tennis
30/07
22:50
Tsitsipas, Stefanos – O'connell, Christopher
ATP - Toronto, Canada
Over 8.5 1st set
Betfair SB
Tennis
30/07
22:50
Tsitsipas – O'Connell
ATP Toronto 2025
Under 9.5 1st set
+ 4 middles for this event
0.04% / 19.1%
-16.00% / 68.0%

31Bet
Tennis
31/07
10:30
Jianu, Filip Cristian – Caniato, C
ITF Men - ITF M25 Pitesti
AH1(+1.5)
Betfair SB
Tennis
31/07
10:30
Filip Cristian Jianu – Carlo Alberto Caniato
ITF Romania Futures
21-2
+ 2 middles for this event
0.02% / 23.9%
-19.26% / 61.5%

31Bet
Tennis
31/07
16:00
Khachanov, Karen – Nava, Emilio
ATP - Toronto, Canada
Over 8.5 1st set
EpicBet
Tennis
31/07
16:05
Karen Khachanov – Emilio Nava
Canada - ATP Toronto
Under 9.5 1st set