Sounds like a plan!

Muscle-ups (1)
Work on any muscle up progression and/or skill.

If you need to rest your upper body, do a

10 minute AMRAP of
15 sit-ups
15 flutter kicks/side
15 Russian Twists/side

Just A Friend (Time)
With a partner do 5 rounds of:
Row 40/30 cal
40 burpees

Split rowing anyway you wish, do Burpees in alternating sets of 5 or 10.