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

EGTB: win in 6 half-moves

# move score
1 Ra8 win in 5 half-moves
2 K7b7 draw
3 K7b8 draw
4 K7d7 draw
5 K7d8 draw
6 K8b7 draw
7 K8b8 draw
8 K8d7 draw
9 K8d8 draw
10 Kb6 draw
11 Kc6 draw
12 Kd6 draw
13 Ra1 draw
14 Ra2 draw
15 Ra3 draw
16 Ra7 draw
17 Rb4 draw
18 Rc4 draw
19 Rd4 draw
20 Re4 draw
21 Rf4 draw
22 Ra5 loss in 2 half-moves
23 Ra6 loss in 2 half-moves
24 Rg4 loss in 2 half-moves
25 Rh4 loss in 2 half-moves