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Who will rule the pool in the four swimming finals on the first night of the games? Clare Balding introduces the action, which also features Britain鈥檚 Olympic champion Adam Peaty.

Peaty continues his defence of the 100m breaststroke title in this evening鈥檚 semi-finals, but the highlight of the session promises to be the final of the women鈥檚 400m freestyle, with reigning champion Ariarne Titmus, Katie Ledecky and Summer McIntosh combining to own the 28 fastest times in history prior to the Olympics.

Elsewhere, there鈥檚 the men鈥檚 artistic gymnastics qualification and the climax to the men鈥檚 rugby sevens as the medal matches take place at the Stade de France. Fiji won gold at the previous two Olympics, but host nation France have enjoyed their best season in this format of the game, inspired by the presence of former World Rugby Player of the Year Antoine Dupont.

Key finals
18:45-19:15 Rugby sevens: men
19:52-20:02 Swimming: women鈥檚 400m freestyle
20:34-20:44 Swimming: women鈥檚 4x100m freestyle relay
20:44-20:54 Swimming: men鈥檚 4x100m freestyle relay