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 Kcd4 win in 3 half-moves
4 Kd5 win in 3 half-moves
5 Rb3 win in 3 half-moves
6 Kc4 win in 5 half-moves
7 Kb6 draw
8 Kc6 draw
9 Kd3 draw
10 Kd6 draw
11 Ra3 draw
12 Rd3 draw
13 Kd2 loss in 2 half-moves
14 Ke2 loss in 2 half-moves
15 Ke4 loss in 2 half-moves
16 Ked4 loss in 2 half-moves
17 Kf2 loss in 2 half-moves
18 Kf3 loss in 2 half-moves
19 Kf4 loss in 2 half-moves
20 Rc1 loss in 2 half-moves
21 Rc2 loss in 2 half-moves
22 Rc4 loss in 2 half-moves