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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 90 middles.

Of these, 28 middles offer positive expected value.

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

Found 61 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
0.98% / 24.6%
-18.95% / 62.1%
Complaints

 31Bet
Tennis 		30/07
17:30 		Mannarino, Adrian – Shelton, Ben
ATP - Toronto, Canada 		AH1(+3.5) 1st set
1.24
Zenit
Tennis 		30/07
16:00 		Adrian Mannarino – Ben Shelton
ATP. Toronto. Hard 		AH2(−2.5) 1st set
2.34
+ 3 middles for this event
0.92% / 23.6%
-18.34% / 63.3%
Complaints

 Betcity
Tennis 		30/07
15:00 		Anastasia Pavlyuchenkova – Eva Lys
Tennis. WTA 1000. Montreal. Canada. Hard. 		Over 9.5 1st set
2.47
31Bet
Tennis 		30/07
16:00 		Pavlyuchenkova, Anastasia – Lys, Eva
WTA - Montreal, Canada 		Under 10.5 1st set
1.22
+ 1 middle for this event
0.84% / 18.7%
-15.07% / 69.9%
Complaints

 VBet (NL)
Tennis 		29/07
19:30 		Daniela Martinez Guerrero – Elda Lara Cruz
Mexico - ITF Women - Huamantla - Hard 		AH1(+1.5)
1.65
31Bet
Tennis 		29/07
19:51 		Martinez Guerrero, Daniela – Lara Cruz, Elda Estefania
ITF Women - ITF W15 Huamantla 		21-2
1.75
0.76% / 25.3%
-19.56% / 60.9%
Complaints

 31Bet
Tennis 		29/07
19:10 		Griekspoor, Tallon – Etcheverry, Tomas Martin
ATP - Toronto, Canada 		Over 8.5 1st set
1.21
Betcity
Tennis 		29/07
19:10 		Tallon Griekspoor – Tomas Martin Etcheverry
Tennis. ATP Masters 1000. Toronto. Canada. Hard. 		Under 9.5 1st set
2.40
+ 1 middle for this event
0.70% / 26.1%
-20.12% / 59.8%
Complaints

 31Bet
Tennis 		30/07
01:10 		Zverev, Alexander – Walton, Adam
ATP - Toronto, Canada 		AH1(−1.5) 1st set
1.33
William Hill
Tennis 		30/07
01:10 		Alexander Zverev – Adam Walton
ATP Toronto 		AH2(+2.5) 1st set
2.00
0.68% / 23.8%
-18.68% / 62.6%
Complaints

 Marathon
Tennis 		30/07
16:00 		A.Rublev – H.Gaston
ATP Masters 1000. Toronto, Canada. Singles. Round of 64 		AH1(−2.5) 1st set
1.94
31Bet
Tennis 		30/07
16:00 		Rublev, Andrey – Gaston, Hugo
ATP - Toronto, Canada 		AH2(+3.5) 1st set
1.40
+ 11 middles for this event
0.41% / 20.6%
-16.74% / 66.5%
Complaints

 31Bet
Tennis 		30/07
09:00 		Sinha N.K. / Dev S.D.P. – Kielan S / Pieczonka F
Challenger - Liberec, Czech Republic Doubles 		AH1(+1.5)
1.76
SportingWin
Tennis 		30/07
09:00 		S D Prajwal Dev/Nitin Kumar Sinha – Szymon Kielan/Filip Pieczonka
Czech Republic - ATP Challenger Liberec - Clay (Doubles) 		21-2
1.58
0.40% / 19.9%
-16.25% / 67.5%
Complaints

 31Bet
Tennis 		30/07
13:20 		Ymer, Elias – Kukushkin, Mikhail
Challenger - Porto, Portugal 		AH1(+1.5)
1.36
OrbitX
Tennis 		30/07
13:20 		E Ymer – Kukushkin
Porto Challenger 2025 		21-2
2.18

$9.86
+ 3 middles for this event
0.37% / 55.3%
-35.38% / 29.2%
Complaints

 31Bet
Tennis 		31/07
01:10 		Carballes Baena, Roberto – Fritz, Taylor
ATP - Toronto, Canada 		AH1(+3.5) 1st set
1.40
DragonBet (UK)
Tennis 		31/07
01:30 		Roberto Carballes Baena – Taylor Fritz
ATP Toronto 		21-2 1st set
1.20
+ 8 middles for this event
0.34% / 13.4%
-11.48% / 77.1%
Complaints

 Zenit
Tennis 		30/07
15:00 		Antonia Ruzic – Karolina Muchova
WTA. Montreal. Hard 		Over 18.5
1.50
31Bet
Tennis 		30/07
16:00 		Ruzic, Antonia – Muchova, Karolina
WTA - Montreal, Canada 		Under 20
2.16
0.31% / 58.1%
-36.54% / 26.9%
Complaints

 Germania (HR)
Tennis 		29/07
23:30 		D.Medvedev – D.Svrcina
Atp Toronto Hard 		Over 7.5 1st set
1.30
31Bet
Tennis 		29/07
23:10 		Medvedev, Daniil – Svrcina, Dalibor
ATP - Toronto, Canada 		Under 10 1st set
1.24
+ 1 middle for this event
0.30% / 21.9%
-17.70% / 64.6%
Complaints

 RicoBet (BR)
Tennis 		30/07
19:00 		Gabriel Diallo – Matteo Gigante
Canada - ATP Toronto 		AH1(−2.5) 1st set
2.62
31Bet
Tennis 		30/07
18:40 		Diallo, Gabriel – Gigante, Matteo
ATP - Toronto, Canada 		AH2(+3.5) 1st set
1.20
+ 7 middles for this event
0.19% / 31.9%
-24.04% / 51.9%
Complaints

 GoldenVegas (BE)
Tennis 		30/07
14:00 		Renata Zarazua – Jelena Ostapenko
WTA - WTA Montreal 		Over 16.5
1.20
31Bet
Tennis 		30/07
16:00 		Zarazua, Renata – Ostapenko, Jelena
WTA - Montreal, Canada 		Under 20
2.07
+ 4 middles for this event
0.17% / 35.5%
-26.08% / 47.8%
Complaints

 31Bet
Tennis 		30/07
00:00 		Shapovalov, Denis – Tien, Learner
ATP - Toronto, Canada 		AH1(+1) 1st set
1.43
Bet7
Tennis 		30/07
00:00 		Shapovalov, Denis – Tien, Learner
ATP - ATP Toronto, Canada Men Singles 		AH2(+2.5) 1st set
1.53
0.14% / 30.5%
-23.26% / 53.5%
Complaints

 GalaxyBet
Tennis 		30/07
17:00 		Stefanos Tsitsipas – Christopher O'Connell
ATP - Toronto, Canada, Singles 		AH1(−1.5)
1.63
31Bet
Tennis 		30/07
22:00 		Tsitsipas, Stefanos – O'connell, Christopher
ATP - Toronto, Canada 		AH2(+4.5)
1.45
0.12% / 20.9%
-17.20% / 65.6%
Complaints

 Betfair (IT)
Tennis 		30/07
10:30 		K Siniakova – Ali Charaeva
WTA Varsavia 2025 		21-2 - lay
1.39

€39.37
3.60
31Bet
Tennis 		30/07
10:00 		Siniakova, Katerina – Charaeva, Alina
WTA 125K - Warsaw, Poland 		AH2(+1.5)
2.06
0.08% / 16.5%
-14.06% / 71.9%
Complaints

 CBet (LT)
Tennis 		29/07
22:30 		Sahaja Yamalapalli – Ayana Akli
World - ITF. Women. Lexington 		11-2
2.75
31Bet
Tennis 		29/07
22:00 		Yamalapalli, Sahaja – Akli, Ayana
ITF Women - ITF W75 Lexington 		AH2(+1.5)
1.25
0.05% / 16.2%
-13.90% / 72.2%
Complaints

 RicoBet (BR)
Tennis 		29/07
21:00 		Nuno Borges – Facundo Bagnis
Canada - ATP Toronto 		AH1(−2.5) 1st set
2.55
31Bet
Tennis 		29/07
20:20 		Borges, Nuno – Bagnis, Facundo
ATP - Toronto, Canada 		AH2(+3.5) 1st set
1.30
0.04% / 18.6%
-15.66% / 68.7%
Complaints

 31Bet
Tennis 		29/07
23:00 		Jovic, Teodora – Su, Susannah
UTR Women - UTR PTT Lovedale Women 03, Group D 		11-2
1.85
Meridian (PE)
Tennis 		29/07
23:00 		Jovic, Teodora – Su, Susannah
UTR Pro Tennis - UTR Lovedale Women 		AH2(+1.5)
1.55
+ 2 middles for this event
0.03% / 11.3%
-10.11% / 79.8%
Complaints

 31Bet
Tennis 		29/07
22:00 		Safiullin, Roman – Ruud, Casper
ATP - Toronto, Canada 		AH1(+4.5)
1.48
Smarkets
Tennis 		29/07
22:05 		Roman Safiullin – Casper Ruud
ATP Toronto, Canada Men Singles, Round of 64 		AH1(+3.5) - lay
2.32 (2.0%)

£59.00
1.76

See also: surebets with 31Bet or valuebets with 31Bet.

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