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

EGTB: win in 4 half-moves

# move score
1 Ra6 win in 3 half-moves
2 Kc6 draw
3 Kc7 draw
4 Kc8 draw
5 Kd6 draw
6 Kdd8 draw
7 Kde7 draw
8 Ke6 draw
9 Ked8 draw
10 Kee7 draw
11 Kf7 draw
12 Kf8 draw
13 Ra3 draw
14 Ra5 draw
15 Ra7 draw
16 Ra8 draw
17 Rb4 draw
18 Rh4 draw
19 Ra1 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Rc4 loss in 2 half-moves
22 Rd4 loss in 2 half-moves
23 Re4 loss in 2 half-moves
24 Rf4 loss in 2 half-moves
25 Rg4 loss in 2 half-moves