Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Ke5 win in 3 half-moves
2 Rc8 win in 7 half-moves
3 Kc7 draw
4 Kd7 draw
5 Kdd5 draw
6 Ke7 draw
7 Rc7 draw
8 Ke6 loss in 4 half-moves
9 Kb4 loss in 2 half-moves
10 Kb5 loss in 2 half-moves
11 Kb6 loss in 2 half-moves
12 Kc4 loss in 2 half-moves
13 Kcd5 loss in 2 half-moves
14 Kd4 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Rb6 loss in 2 half-moves