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

EGTB: win in 4 half-moves

# move score
1 Ra3 win in 3 half-moves
2 Kc1 draw
3 Kc2 draw
4 Kd3 draw
5 Kdd2 draw
6 Kde1 draw
7 Ke3 draw
8 Ked2 draw
9 Kee1 draw
10 Kf1 draw
11 Kf2 draw
12 Kf3 draw
13 Ra1 draw
14 Ra2 draw
15 Ra4 draw
16 Rb8 draw
17 Rc8 draw
18 Rh8 draw
19 Ra5 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Ra7 loss in 2 half-moves
22 Rd8 loss in 2 half-moves
23 Re8 loss in 2 half-moves
24 Rf8 loss in 2 half-moves
25 Rg8 loss in 2 half-moves