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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Kc4 win in 5 half-moves
3 Kc5 win in 5 half-moves
4 Kc6 win in 5 half-moves
5 Kd6 win in 5 half-moves
6 Ra4 win in 5 half-moves
7 Ra5 win in 5 half-moves
8 Rb1 win in 5 half-moves
9 Ra2 win in 13 half-moves
10 Ra3 win in 13 half-moves
11 Ka5 draw
12 Kb7 draw
13 Kd4 draw
14 Rd1 draw
15 Rf1 draw
16 Kb5 loss in 2 half-moves
17 Ke4 loss in 2 half-moves
18 Ke5 loss in 2 half-moves
19 Ke6 loss in 2 half-moves
20 Rc1 loss in 2 half-moves
21 Re1 loss in 2 half-moves
22 Rg1 loss in 2 half-moves
23 Rh1 loss in 2 half-moves
24 Ka7 loss in 1 half-moves