He first appeared in the penultimate heat game of Series 76, winning two games and amassing 243 points — giving him the highest average score of any contestant in the series — before stepping aside for the series finals. He maxed 14 rounds in his second game. He then returned for the opening heat of Series 77 on 3 July, showing no sign of slowing down as he spotted the nine-letter word MACROLIDE.
|#||Date||Type||Contestant 1||Score||Contestant 2||Guest||Lex||Max|
|6606||19/06/2017||P||John Trueman||38 – 117||Tom Chafer-Cook||Suzi Perry||Susie Dent||125|
|6607||20/06/2017||P||Tom Chafer-Cook||126 – 52||Bobbi Ramsammy||Suzi Perry||Susie Dent||134|
|6615||3/07/2017||P||Tom Chafer-Cook||118 – 37||Carmel O'Brien||Greg Rusedski||Susie Dent||134|
|6616||4/07/2017||P||Tom Chafer-Cook||129 – 21||Nick Knight||Greg Rusedski||Susie Dent||134|
|6617||5/07/2017||P||Tom Chafer-Cook||110 – 55||Rob Spereall||Greg Rusedski||Susie Dent||132|