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

EGTB: win in 4 half-moves

# move score
1 Ra2 win in 3 half-moves
2 Ra1 win in 25 half-moves
3 Kb1 draw
4 Kb2 draw
5 Kb5 draw
6 Kb6 draw
7 Kb7 draw
8 Kc2 draw
9 Kc5 draw
10 Kc7 draw
11 Kd1 draw
12 Kd2 draw
13 Kd5 draw
14 Kd6 draw
15 Kd7 draw
16 Ra3 draw
17 Ra4 draw
18 Ra6 draw
19 Rb8 draw
20 Rc8 draw
21 Rd8 draw
22 Re8 draw
23 Rf8 draw
24 Ra5 loss in 2 half-moves
25 Ra7 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves