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

EGTB: win in 2 half-moves

# move score
1 Ra2 win in 1 half-moves
2 Kb6 draw
3 Kb8 draw
4 Kc7 draw
5 Ra3 draw
6 Ra7 draw
7 Rb8 draw
8 Rc8 draw
9 Ka7 loss in 18 half-moves
10 Kc6 loss in 6 half-moves
11 Ka6 loss in 4 half-moves
12 Kc8 loss in 4 half-moves
13 Ra1 loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Ra5 loss in 2 half-moves
16 Ra6 loss in 2 half-moves
17 Rd8 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves