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 Kd5 win in 5 half-moves
3 Kd6 win in 7 half-moves
4 Kd4 win in 9 half-moves
5 Rb8 win in 11 half-moves
6 Ka4 win in 19 half-moves
7 Ka5 draw
8 Kb3 draw
9 Kc3 draw
10 Ke6 draw
11 Ra3 draw
12 Ra6 draw
13 Ra7 draw
14 Rc8 draw
15 Re8 draw
16 Kb5 loss in 2 half-moves
17 Kc4 loss in 2 half-moves
18 Kc5 loss in 2 half-moves
19 Ke4 loss in 2 half-moves
20 Kf4 loss in 2 half-moves
21 Kf5 loss in 2 half-moves
22 Kf6 loss in 2 half-moves
23 Ra1 loss in 2 half-moves
24 Ra2 loss in 2 half-moves
25 Ra4 loss in 2 half-moves
26 Rd8 loss in 2 half-moves
27 Rf8 loss in 2 half-moves
28 Rg8 loss in 2 half-moves
29 Rh8 loss in 2 half-moves
30 Ka3 loss in 1 half-moves