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

EGTB: win in 2 half-moves

# move score
1 Ra6 win in 1 half-moves
2 Kf5 draw
3 Kg5 draw
4 Kg7 draw
5 Kh5 draw
6 Kh6 draw
7 Kh7 draw
8 Re6 draw
9 Rf6 draw
10 Rb1 loss in 10 half-moves
11 Kf6 loss in 2 half-moves
12 Kf7 loss in 2 half-moves
13 Rb7 loss in 2 half-moves
14 Rb8 loss in 2 half-moves
15 Rc6 loss in 2 half-moves
16 Rd6 loss in 2 half-moves
17 Rb2 loss in 1 half-moves
18 Rb3 loss in 1 half-moves
19 Rb4 loss in 1 half-moves
20 Rb5 loss in 1 half-moves