Delray Rawlins made the fourth century of his first-class career before Australia 'A' made Sussex's bowlers toil on day two of the tourist match at Arundel Castle.
Resuming on his overnight score of five not out, Rawlins' knock was a classy affair, made all the more impressive by the fact it was scored against an Australian bowling attack boasting 277 Test match wickets.
The 21-year-old played a number of delightful shots down the ground, including a sweetly struck six off Michael Neser to go with his ten fours in total.
Rawlins was on 69 when his became the eighth Sussex wicket to fall with the scoreboard reading 223. Australia 'A' had to rely on a certain degree of fortune to get rid of the innings' top scorer as they won an lbw decision that looked a little harsh on review.
Rawlins had received support from guest player Adam Rouse - with whom he shared a 58-run seventh wicket partnership - and Will Beer who was left not out on 28 when Sussex were bowled out for 263. After four first-class innings at Arundel, the leg-spinner's batting average stands at 57. After two, Rawlins' is 82.5.
In reply, Australia 'A' openers Joe Burns and Marcus Harris made life difficult for Sussex's bowlers.
Abi Sakande and Mir Hamza - on his return from injury - were economical with the new ball, while Rawlins bowled 13 overs of tidy left-arm spin. But the visiting pair were still there at the close with 88 and 100 not out respectively as Australia 'A' reached 203 without loss.
A full scorecard is available on the Sussex Cricket Match Day Centre.