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

EGTB: win in 2 half-moves

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