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

EGTB: win in 4 half-moves

# move score
1 Kb1 win in 3 half-moves
2 Kb2 win in 3 half-moves
3 Kc3 win in 3 half-moves
4 Kc4 win in 3 half-moves
5 Ka2 win in 5 half-moves
6 Kc5 win in 5 half-moves
7 Kd3 win in 5 half-moves
8 Ra7 win in 7 half-moves
9 Kd5 draw
10 Rb7 draw
11 Rc1 draw
12 Rc4 draw
13 Rc5 draw
14 Rc6 draw
15 Rc8 draw
16 Rd7 draw
17 Re7 draw
18 Rf7 draw
19 Ke3 loss in 2 half-moves
20 Ke4 loss in 2 half-moves
21 Ke5 loss in 2 half-moves
22 Rc2 loss in 2 half-moves
23 Rc3 loss in 2 half-moves
24 Rg7 loss in 2 half-moves
25 Rh7 loss in 2 half-moves