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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Kd4 win in 3 half-moves
4 Kd5 win in 3 half-moves
5 Kd6 win in 3 half-moves
6 Ke6 win in 3 half-moves
7 Kf6 win in 3 half-moves
8 Rc6 win in 3 half-moves
9 Rd5 win in 3 half-moves
10 Rc7 win in 9 half-moves
11 Ka5 draw
12 Ka7 draw
13 Kb7 draw
14 Ke4 draw
15 Kf4 draw
16 Kf5 draw
17 Rc3 draw
18 Rc4 draw
19 Rc8 draw
20 Ra5 loss in 2 half-moves
21 Rb5 loss in 2 half-moves
22 Rc1 loss in 2 half-moves
23 Rc2 loss in 2 half-moves