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

EGTB: win in 2 half-moves

# move score
1 Ra7 win in 1 half-moves
2 Kf8 draw
3 Kg6 draw
4 Kg8 draw
5 Kh7 draw
6 Rb8 draw
7 Rf7 draw
8 Kh8 loss in 12 half-moves
9 Kh6 loss in 10 half-moves
10 Rb1 loss in 4 half-moves
11 Kf6 loss in 2 half-moves
12 Kf7 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Re7 loss in 2 half-moves
20 Rb4 loss in 1 half-moves