The evening session sees the first of the men's quarter-finals taking place in the bantamweight division, with Luke Campbell stepping into the ring with Bulgaria's Detelin Dalakliev for a place in the last four.
Eight heavyweights will also be battling for a guaranteed medal.
Please note that the action gets underway at 1.30pm.
Full list of bouts:
Women's flyweight: (1.30pm)
Elena Savelyeva (Russia) vs Kim Hye Song (North Korea) Erica Matos (Brazil) vs Karlha Magliocco (Venezuela) Karolina Michalczuk (Poland) vs Mary Kom (India) Stoyka Petrova (Bulgaria) vs Siona Fernandes (New Zealand)
Women's lightweight: (2.30pm)
Quanitta Underwood (United States) vs Natasha Jonas (Great Britain) Mihaela Lacatus (Romania) vs Dong Cheng (China) Adriana Araujo (Brazil) vs Saida Khassenov (Kazakhstan) Alexis Pritchard (New Zealand) vs Rim Jouini (Tunisia)
Women's middleweight: (3.30pm)
Marina Volnova (Kazakhstan) vs Elizabeth Andiego (Kenya) Anna Laurell (Sweden) vs Naomi-Lee Fischer-Rasmussen (Australia) Roseli Feitosa (Brazil) vs Li Jinzi (China) Yelena Vystropova (Azerbaijan) vs Edith Ogoke (Nigeria)
Men's bantamweight: (8.30pm)
Lazaro Alvarez (Cuba) vs Robenilson Vieira (Brazil) John Joe Nevin (Ireland) vs Oscar Valdez (Mexico) Luke Campbell (Great Britain) vs Detelin Dalakliev (Bulgaria) Mohamed Amine Ouadahi (Algeria) vs Satoshi Shimizu (Japan)
Men's heavyweight: (10.30pm)
Oleksandr Usyk (Ukraine) vs Artur Beterbiev (Russia) Tervel Pulev (Bulgaria) vs Yamil Peralta (Argentina) Teymur Mammadov (Azerbaijan) vs Siarhei Karneyeu (Belarus) Jose Larduet (Cuba) vs Clemente Russo (Italy)
8.17pmAlvarez did well to defeat Joseph Diaz Jnr in the last round. The American was more than a worthy competitor.
8.16pmWelcome back for the evening session! First up in the first bantamweight quarter-final: Lazaro Alvarez (Cuba) vs Robenilson Vieira (Brazil)
5.00pmThat fantastic bout brings this historic Olympic boxing session to a close. Join us from 8.30pm when the men's quarter-finals begin. Luke Campbell will be hoping to follow in Natasha Jonas's footsteps when he takes on Detelin Dalakliev.
4.58pmOgoke has caused a major shock with a 14-12 win!
4.49pmBetter round from Vystropova sees her get back to within one point of the Nigerian.
4.43pmOgoke has doubled her lead now. She leads 8-4!
4.41pmOgoke takes a 4-2 lead over Vystropova with some powerful hitting.
4.38pmOn now: Yelena Vystropova (Azerbaijan) vs Edith Ogoke (Nigeria)
4.37pmLi wins through 19-14. Feitosa came on strong in the final round but could not eat away at her considerable deficit.
4.20pmNext up: Roseli Feitosa (Brazil) vs Li Jinzi (China)