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

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Ka5 draw
3 Ka7 draw
4 Kb5 draw
5 Kb7 draw
6 Kc5 draw
7 Kc6 draw
8 Kc7 draw
9 Ra1 draw
10 Ra3 draw
11 Ra5 draw
12 Ra6 draw
13 Ra7 draw
14 Rd8 draw
15 Re8 draw
16 Rg8 draw
17 Rh8 draw
18 Rb8 loss in 14 half-moves
19 Ka6 loss in 10 half-moves
20 Ra2 loss in 2 half-moves
21 Rc8 loss in 2 half-moves
22 Rf8 loss in 2 half-moves