AFC Tavistock 2 Cardiff City 7
Cardiff City scored six of their goals in the first half and then eased off to see out a comfortable victory in Cornwall.
AFC Tavistock, South West Peninsular League champions, worked hard, but Cardiff had the edge in all departments.
Kenneth Zohore, Idriss Saadi and Nathaniel Mendez-Laing scored two goals each for the Bluebirds, while Joe Ralls netted a late seventh.
Cardiff take on Bodmin in their next match on Wednesday.
City finished the game with 10 players after Mendez-Laing went off and manager Neil Warnock did not replace him even though Jazz Richards had not been used.
Zohore and Saadi linked up in attack for the Bluebirds during the first match of their South West tour.
Kadeem Harris was in the starting line-up, while Greg Halford was among the substitutes.
Goalkeeper Lee Camp, Anthony Pilkington and Callum Paterson were among the spectators at Tavistock, having joined the squad in Cornwall, although none of them were ready to play at Langsford Stadium.
By half-time Cardiff were 6-1 ahead having dominated the opening 45 minutes.
Zohore, Saadi and Mendez-Laing scored two goals each in a one-sided match played in hot, sunny conditions.
The pace and trickery of Mendez-Laing down the right and Harris on the left gave Tavistock major problems, while Aaron Gunnarsson and Joe Ralls produced some good work together in central midfield.
Mendez-Laing struck after only three minutes after a great touch by Gunnarsson, while Saadi added a second (14) and Zohore headed the thirds from a Harris cross (21).
There was some respite for Tavvy when Adam Carter ran through a static Cardiff back four while defenders were appealing for offside and fired home (25).
Cardiff quickly regained control, though, and there were sloppy moments because they on top.
Zohore made it 4-1 after disastrous back pass set him free (30) and then he missed completely in front of goal when it seemed he was certain to complete hit hat-trick.
Two goals in a minute completed the first half scoring with Saadi (41) and Mendez-Laing (42) on target.
Warnock made six changes at half-time with Jazz Richards the only unused sub.
The tempo dropped and Cardiff knocked the ball around comfortably with Danny Ward going closest to a seventh goal.
Halford and Connolly were the full-backs with Bennett operating on the left of midfield.
Tavistock pulled a goal back from a soft penalty when Bruno Manga was adjudged to have fouled Carter.
The big Tavvy number 20 got up to scored from the spot, his second goal of the game.
Mendez-Laing went off near the end, but Richards still didn’t go on which suggests he isn’t fully fit.
The last goal went to Cardiff when Ralls fired home after 90 minutes.
AFC Tavistock: Josh Oak, Ben Cross, Josh Robins, Dan Evans, Warren Daw, Dave Hallett, Luke Brown, Dan Sullivan, Jack Crago, Josh Grant, Aaron Carter.
Subs: Alex Henniker, Ross Hamilton, Rikki Shepard, Jack Tribble, George Warren, Steve Rogers.
Cardiff City: B Murphy (N Etheridge 46), L Peltier (J Bennett 46), B Manga, S Morrison (capt), M Connolly, A Gunnarsson (L Damour 46), J Ralls, K Harris (M Kennedy 46), N Mendez-Laing, I Saadi (D Ward 46), K Zohore (G Halford 46).
Sub not used: J Richards.