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

EGTB: win in 4 half-moves

# move score
1 Kcd4 win in 3 half-moves
2 Kd5 win in 3 half-moves
3 Rb7 win in 3 half-moves
4 Kc6 win in 5 half-moves
5 Kd6 win in 5 half-moves
6 Rc6 win in 9 half-moves
7 Kb4 draw
8 Kb5 draw
9 Kb6 draw
10 Kc4 draw
11 Kd2 draw
12 Kd3 draw
13 Ke2 draw
14 Ke4 draw
15 Ked4 draw
16 Ra7 draw
17 Rc8 draw
18 Rd7 draw
19 Re7 draw
20 Kf2 loss in 2 half-moves
21 Kf3 loss in 2 half-moves
22 Kf4 loss in 2 half-moves
23 Rf7 loss in 2 half-moves
24 Rg7 loss in 2 half-moves
25 Rh7 loss in 2 half-moves