Assessing interim boss' picks, and picking a possible matchday line-up

Wales will need their experienced players to take a lead in Japan this summer and Faletau will be key for Sherratt's side.

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Faletau will also want to stay fit just in case injuries arise in Australia and the Lions are in need of reinforcements.

7. Tommy Reffell

With Jac Morgan away with the Lions, one would expect Reffell to start both Tests in the seven jersey.

The Leicester Tigers back rower is very good at the breakdown and typically gets through a mountain of work defensively.

Wales will need Reffell to slow down the speed of Japan's ruck ball to prevent a dangerous backline from getting on the front foot.

6. Aaron Wainwright

If you were to pick the back row purely on form, then there's an argument Taine Plumtree should wear the No.6 shirt after an outstanding couple of months for the Scarlets, but Wainwright's experience edges this contest.

Wales may have lost their previous 17 Test matches, but more often than not Wainwright has risen above the mediocrity.

Sherratt will need the 27-year-old to carry hard and will want to get the ball in his hands as much as possible in the wide channels.

5. Teddy Williams

The 24-year-old is currently in a rich vein of form and has been consistently excellent for Cardiff this season.

Williams is an athletic second-row with a big engine and is an outstanding lineout forward.