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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Kb5 win in 3 half-moves
3 Kb6 win in 3 half-moves
4 Kcd4 win in 3 half-moves
5 Kcd5 win in 3 half-moves
6 Kd6 win in 3 half-moves
7 Rb4 win in 3 half-moves
8 Rd4 win in 3 half-moves
9 Kc6 win in 5 half-moves
10 Ked4 draw
11 Ra4 draw
12 Kd3 loss in 2 half-moves
13 Ke3 loss in 2 half-moves
14 Ke5 loss in 2 half-moves
15 Ked5 loss in 2 half-moves
16 Kf3 loss in 2 half-moves
17 Kf4 loss in 2 half-moves
18 Kf5 loss in 2 half-moves
19 Rc1 loss in 2 half-moves
20 Rc2 loss in 2 half-moves
21 Rc3 loss in 2 half-moves