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

EGTB: win in 2 half-moves

# move score
1 Kg5 win in 1 half-moves
2 Kg7 win in 1 half-moves
3 Ra1 draw
4 Ra5 loss in 12 half-moves
5 Ra7 loss in 12 half-moves
6 Rc6 loss in 12 half-moves
7 Rb6 loss in 10 half-moves
8 Kf7 loss in 8 half-moves
9 Ke6 loss in 4 half-moves
10 Ke5 loss in 2 half-moves
11 Ke7 loss in 2 half-moves
12 Kf5 loss in 2 half-moves
13 Ra2 loss in 2 half-moves
14 Ra3 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rd6 loss in 2 half-moves
18 Re6 loss in 2 half-moves
19 Kg6 loss in 1 half-moves