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

EGTB: win in 4 half-moves

# move score
1 K7b7 win in 3 half-moves
2 K7b8 win in 3 half-moves
3 K8b7 win in 3 half-moves
4 K8b8 win in 3 half-moves
5 Kb6 win in 3 half-moves
6 Rb1 win in 3 half-moves
7 Rc1 win in 3 half-moves
8 Ra7 win in 7 half-moves
9 Ra2 win in 15 half-moves
10 Ra4 win in 15 half-moves
11 Ra5 win in 15 half-moves
12 Kc6 draw
13 Ra3 draw
14 Ra8 draw
15 Re1 draw
16 K7d7 loss in 2 half-moves
17 K7d8 loss in 2 half-moves
18 K8d7 loss in 2 half-moves
19 K8d8 loss in 2 half-moves
20 Kd6 loss in 2 half-moves
21 Ra6 loss in 2 half-moves
22 Rd1 loss in 2 half-moves
23 Rf1 loss in 2 half-moves
24 Rg1 loss in 2 half-moves
25 Rh1 loss in 2 half-moves