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 Kb7 win in 3 half-moves
4 Kc4 win in 3 half-moves
5 Rc5 win in 3 half-moves
6 Ka5 win in 7 half-moves
7 Kd5 win in 7 half-moves
8 Rb3 win in 7 half-moves
9 Rc4 win in 7 half-moves
10 Kd3 win in 9 half-moves
11 Rc1 win in 11 half-moves
12 Rc2 win in 11 half-moves
13 Ra3 win in 15 half-moves
14 Ka7 draw
15 Kc5 draw
16 Ke3 draw
17 Ke4 draw
18 Ke5 draw
19 Rc6 draw
20 Rd3 draw
21 Rh3 draw
22 Rc7 loss in 2 half-moves
23 Rc8 loss in 2 half-moves
24 Re3 loss in 2 half-moves
25 Rf3 loss in 2 half-moves
26 Rg3 loss in 2 half-moves