WhoWins(tm) Best-of-7

HISTORICAL VICTORY PROBABILITIES AND TEAM PERFORMANCE RECORDS FOR BEST-OF-7 FORMAT MLB, NBA, AND NHL PLAYOFF SERIES

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BEST-OF-7 SERIES RESULTS
The master list: Winner and loser of each and every best-of-7 MLB, NBA, and NHL playoff series from 1905 (the year of the first best-of-7 series).

BEST-OF-7 HISTORICAL VICTORY PROBABILITIES
SERIES STATUS IN GAMES
leading, 1-game-nil
leading, 2-games-nil
leading, 3-games-nil
leading, 2-games-1
leading, 3-games-1
leading, 3-games-2

WhoWins™ BEST-OF-7 GREATEST COMEBACK EVER
Surmounting the 3-games-nil deficit.

WhoWins™ BEST-OF-7 ANNIHILATIONS
The ultimate ignominy: Sweeps during which the swept team never, ever leads.

BEST-OF-7 FRANCHISE SERIES OUTCOMES
ALL ROUNDS
Irrespective of Game 1 site
Game 1 played at home
Game 1 played on road
FINALS
Irrespective of Game 1 site
Game 1 played at home
Game 1 played on road
SEMIFINALS
Irrespective of Game 1 site
Game 1 played at home
Game 1 played on road
QUARTERFINALS (NBA, NHL)
Irrespective of Game 1 site
Game 1 played at home
Game 1 played on road
PRELIMINARIES (NBA, NHL)
Irrespective of Game 1 site
Game 1 played at home
Game 1 played on road

BEST-OF-7 FRANCHISE GAME OUTCOMES
ALL ROUNDS
All | Home Games | Road Games
FINALS
All | Home Games | Road Games
SEMIFINALS
All | Home Games | Road Games
QUARTERFINALS (NBA, NHL)
All | Home Games | Road Games
PRELIMINARIES (NBA, NHL)
All | Home Games | Road Games

BEST-OF-7 FRANCHISE SCORING OUTCOMES
MLB: all runs for/against
NBA: all points for/against
NHL: all goals for/against

BEST-OF-7 SCORING RECORDS
BEST-OF-7 MLB, NBA, NHL Series and Game Scoring Records

RESOURCES
Societies, books, and other resources.

BEST-OF-7 FEATURES
Articles on best-of-7 series phenomena.

FAQ
Frequently-asked questions.

SEARCH RESULTS
Related search terms from popular search engines.

PROBABILITY FORMULAE
Mathematical formulae for best-of-7 probability computations.

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HISTORICAL SERIES VICTORY PROBABILITIES (UP 1-GAME-NIL)

Here's what has happened -- in both the series and the following game -- when an MLB/NBA/NHL team led a best-of-7 series 1 game to nil. "Site" means the site (H=home or V=road) where a team played Game 1: For example, the row in which sport=MLB, round=Finals, and site=V refers to MLB teams with a 1-game-nil MLB World Series lead, having played Game 1 on the road; for a second example, the row in which sport=NHL, round=Semis, and site=H refers to NHL teams with a 1-game-nil NHL Stanley Cup Semifinals-round lead, having played Game 1 at home. Theoretical series victory probability for series-leading team = .65625 (based on theoretical game victory probabilities of .5). Table updated through Fall 2025.

sport round site Game 2 rec. series rec.
all all all 871-745 (.539) 1138-478 (.704)
all all H 681-377 (.644) 827-231 (.782)
all all V 190-368 (.341) 311-247 (.557)
all Finals all 147-135 (.521) 195-87 (.691)
all Finals H 117-77 (.603) 147-47 (.758)
all Finals V 30-58 (.341) 48-40 (.545)
all Semis all 212-174 (.549) 275-111 (.712)
all Semis H 155-90 (.633) 185-60 (.755)
all Semis V 57-84 (.404) 90-51 (.638)
all Qtrs all 251-209 (.546) 329-131 (.715)
all Qtrs H 201-109 (.648) 246-64 (.794)
all Qtrs V 50-100 (.333) 83-67 (.553)
all Prelim all 261-227 (.535) 339-149 (.695)
all Prelim H 208-101 (.673) 249-60 (.806)
all Prelim V 53-126 (.296) 90-89 (.503)
MLB all all 95-102 (.482) 127-70 (.645)
MLB all H 63-51 (.553) 78-36 (.684)
MLB all V 32-51 (.386) 49-34 (.590)
MLB Finals all 55-62 (.470) 75-42 (.641)
MLB Finals H 40-31 (.563) 48-23 (.676)
MLB Finals V 15-31 (.326) 27-19 (.587)
MLB Semis all 40-40 (.500) 52-28 (.650)
MLB Semis H 23-20 (.535) 30-13 (.698)
MLB Semis V 17-20 (.459) 22-15 (.595)
NBA all all 359-274 (.567) 477-156 (.754)
NBA all H 313-139 (.692) 382-70 (.845)
NBA all V 46-135 (.254) 95-86 (.525)
NBA Finals all 37-42 (.468) 55-24 (.696)
NBA Finals H 34-26 (.567) 47-13 (.783)
NBA Finals V 3-16 (.158) 8-11 (.421)
NBA Semis all 84-54 (.609) 109-29 (.790)
NBA Semis H 66-29 (.695) 78-17 (.821)
NBA Semis V 18-25 (.419) 31-12 (.721)
NBA Qtrs all 126-106 (.543) 173-59 (.746)
NBA Qtrs H 110-55 (.667) 140-25 (.848)
NBA Qtrs V 16-51 (.239) 33-34 (.493)
NBA Prelim all 112-72 (.609) 140-44 (.761)
NBA Prelim H 103-29 (.780) 117-15 (.886)
NBA Prelim V 9-43 (.173) 23-29 (.442)
NHL all all 417-369 (.531) 534-252 (.679)
NHL all H 305-187 (.620) 367-125 (.746)
NHL all V 112-182 (.381) 167-127 (.568)
NHL Finals all 55-31 (.640) 65-21 (.756)
NHL Finals H 43-20 (.683) 52-11 (.825)
NHL Finals V 12-11 (.522) 13-10 (.565)
NHL Semis all 88-80 (.524) 114-54 (.679)
NHL Semis H 66-41 (.617) 77-30 (.720)
NHL Semis V 22-39 (.361) 37-24 (.607)
NHL Qtrs all 125-103 (.548) 156-72 (.684)
NHL Qtrs H 91-54 (.628) 106-39 (.731)
NHL Qtrs V 34-49 (.410) 50-33 (.602)
NHL Prelim all 149-155 (.490) 199-105 (.655)
NHL Prelim H 105-72 (.593) 132-45 (.746)
NHL Prelim V 44-83 (.346) 67-60 (.528)