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 Kc2 win in 3 half-moves
4 Kc4 win in 3 half-moves
5 Kd3 win in 3 half-moves
6 Rb5 win in 3 half-moves
7 Rc7 win in 3 half-moves
8 Rd7 win in 3 half-moves
9 Kc3 win in 5 half-moves
10 Rb1 win in 7 half-moves
11 Rb4 win in 7 half-moves
12 Kd1 win in 9 half-moves
13 Rb8 win in 11 half-moves
14 Kc5 draw
15 Kd2 draw
16 Kd5 draw
17 Ke5 draw
18 Ra7 draw
19 Rb6 draw
20 Re7 draw
21 Ke3 loss in 2 half-moves
22 Ke4 loss in 2 half-moves
23 Rb2 loss in 2 half-moves
24 Rb3 loss in 2 half-moves
25 Rf7 loss in 2 half-moves
26 Rg7 loss in 2 half-moves
27 Rh7 loss in 2 half-moves