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 Rd3 win in 3 half-moves
3 Kc7 win in 5 half-moves
4 Kd3 win in 7 half-moves
5 Kb6 win in 9 half-moves
6 Kd6 win in 9 half-moves
7 Rb3 win in 9 half-moves
8 Rc3 win in 9 half-moves
9 Kb7 win in 11 half-moves
10 Kc5 win in 11 half-moves
11 Kd5 win in 11 half-moves
12 Kd7 win in 15 half-moves
13 Kf2 draw
14 Kf3 draw
15 Ra1 draw
16 Ra6 draw
17 Kd2 loss in 2 half-moves
18 Kd4 loss in 2 half-moves
19 Ke2 loss in 2 half-moves
20 Ke4 loss in 2 half-moves
21 Kf4 loss in 2 half-moves
22 Ra2 loss in 2 half-moves
23 Ra4 loss in 2 half-moves
24 Ra5 loss in 2 half-moves
25 Ra7 loss in 2 half-moves
26 Ra8 loss in 2 half-moves