Based on how they were that season, without any regard for other appearances or post show news.
ROUND 1
BB2 v BB3
Will > Lisa
Nicole < Danielle
Monica < Jason
Hardy > Amy
Bunky < Marcellas
BB3 advances
BB4 v BB5
Jun > Drew
Alison > Cowboy
Robert < Diane
Erika < Nakomis
Jee > Karen
BB4 advances
BB6 v BB7
Maggie < Boogie
Ivette < Erika
Janelle > Janelle
April < Will
BB7 advances
BB8 v BB9
Dick > Adam
Daniele > Ryan
Zach < Sheila
Jameka < Sharon
Eric > Natalie
BB8 advances
BB10 v BB11
Dan > Jordan
Memphis > Natalie
Jerry > Kevin
BB10 advances
BB12 v BB13
Hayden < Rachel
Lane < Porsche
Enzo > Adam
Britney > Jordan
Ragan < Kalia
BB13 advances
BB14 v BB15
Ian > Andy
Dan > GinaMarie
Danielle < Spencer
Shane < McCrae
Jenn < Judd
BB15 advances
BB16 v BB17
Derrick < Steve
Cody > Liz
Victoria < Vanessa
Caleb < John
BB17 advances
BB18 v BB19
Nicole F < Josh
Paul > Paul
James > Christmas
Corey < Kevin
Victor > Alex
BB18 advances
BB20 v BB21
Kaycee > Michie
Tyler > Holly
JC < Nicole
Angela < Cliff
Sam < Tommy
BB21 advances
BB22 v BB23
Cody > Xavier
Enzo > Derek F
Nicole F < Azah
Christmas < Kyland
Memphis < Hannah
BB23 advances
ROUND 2
As the oldest season, BB3 gets a bye
BB4 v BB7
Jun > Boogie
Alison > Erika
Robert < Janelle
Erika < Will
Jee < Chicken George
BB7 advances
BB8 v BB10
Dick < Dan
Daniele > Memphis
Zach < Jerry
Jameka < Keesha
BB10 advances
BB13 v BB15
Rachel > Andy
Porsche > GinaMarie
Adam < Spencer
Jordan < McCrae
Kalia > Judd
BB13 advances
BB17 v BB18
Steve > Nicole
Liz < Paul
Vanessa > James
John > Corey
BB17 advances
BB21 v BB23
Michie < Xavier
Holly > Derek F
Nicole > Azah
Cliff > Kyland
BB21 advances
ROUND 3
BB3 v BB7
Lisa < Boogie
Danielle > Erika
Jason < Janelle
Amy < Will
BB7 advances
BB10 v BB13
Dan > Rachel
Memphis > Porsche
Jerry > Adam
BB10 advances
BB17 v BB21
Steve > Michie
Liz > Holly
Vanessa > Nicole
BB17 advances
ROUND 4
As the newest season, BB17 gets a bye
BB7 v BB10
Boogie < Dan
Erika < Memphis
Janelle > Jerry
Will > Keesha
George < Renny
BB10 advances
FINAL ROUND
BB10 v BB17
Dan > Steve
Memphis > Liz
Jerry < Vanessa
Keesha < John
Renny > Austin
There you have it, BB10 is my favorite final 5! I wouldn't disagree with that assessment, although I definitely like BB7 and BB17's final 5s a lot as well.