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

EGTB: win in 4 half-moves

# move score
1 Ra5 win in 3 half-moves
2 Ra7 win in 3 half-moves
3 Kc5 draw
4 Kc6 draw
5 Kc7 draw
6 Kdd5 draw
7 Kdd7 draw
8 Kde5 draw
9 Kde7 draw
10 Ked5 draw
11 Ked7 draw
12 Kee5 draw
13 Kee7 draw
14 Kf5 draw
15 Kf6 draw
16 Ra4 draw
17 Ra8 draw
18 Kf7 loss in 2 half-moves
19 Ra1 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Ra3 loss in 2 half-moves
22 Rb6 loss in 2 half-moves
23 Rc6 loss in 2 half-moves