Sample 2 Minute Dynamic Warm Up for Tennis

Description of main muscles used for each exercise:

Jog
Quads, hamstrings, calves & side of shoulders

Big Forwards circles
Shoulders, traps, upper back, lats & upper chest

Big Reverse Arm circles
Shoulders, traps, upper back, lats & upper chest

Arm swings across & back
Shoulders, upper back & chest

Arm swings up & back
Lats, lower back, shoulders

High Knees
Hip flexors, glutes, quads, hamstrings, core muscles

Butt Kicks
Hamstrings, glutes, core muscles

Sidesteps
Hip abductors, glutes, quads & hamstrings

Carioca Steps
Groin, outer thighs, quads, hamstrings & glutes

Walking Lunges with Trunk Rotation
Abdominals, hip flexors, glutes, quads, & hamstrings

Walking lunges with overhead reach
Glutes, quads, hamstrings, shoulders & lats

You can use many more variations for the dynamic warm up.