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

EGTB: win in 4 half-moves

# move score
1 Ka7 win in 3 half-moves
2 Kab5 win in 3 half-moves
3 Kb6 win in 3 half-moves
4 Kb7 win in 3 half-moves
5 Rb1 win in 3 half-moves
6 Rd1 win in 3 half-moves
7 Ra4 win in 7 half-moves
8 Kb3 win in 11 half-moves
9 Kc3 win in 11 half-moves
10 Ra3 win in 11 half-moves
11 Ka5 win in 13 half-moves
12 Kc5 win in 13 half-moves
13 Kd5 win in 17 half-moves
14 Kb4 draw
15 Kcb5 draw
16 Kd3 draw
17 Kd4 draw
18 Ra2 draw
19 Rc1 draw
20 Re1 draw
21 Rf1 draw
22 Ra5 loss in 2 half-moves
23 Rg1 loss in 2 half-moves
24 Rh1 loss in 2 half-moves