England Lions thrashed Bangladesh A by 202 runs.
And Hampshire batsman Michael Carberry had the final say – with the ball.
The Ageas Bowl star joined team-mates James Vince and Danny Briggs in the national team at the County Ground, Bristol.
He struck 20 in an opening stand of 30 with Vince (18) as the home side set about posting a target.
In the end, centuries from Gary Ballance and Luke Wright fired them to 353 for four off their 50 overs.
Yorkshire talent Ballance struck 115 from 89 balls, with 10 fours and four sixes.
Meanwhile, Wright spent just 68 balls compiling his 143 not out as he hammered 11 fours and 10 sixes.
After the break the tourists never looked likely to threaten the target.
Wickets fell steadily as the run-rate crept up.
Left-arm spinner Briggs grabbed two for 37 to once more showcase his international credentials.
And then after Wright had reduced Bangladesh to 149 for eight in the 46th over, Carberry (two for two) had the final word.
Bowling his part-time off-spin, he had Robiul Islam caught behind by Somerset glovesman Jos Buttler.
And then snaffled a return catch to dismiss Al-Amin Hossain and seal the match.
The three-game series continues at Taunton tomorrow.