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

EGTB: win in 10 half-moves

# move score
1 Rb6 win in 9 half-moves
2 Kf7 draw
3 Kg7 draw
4 Kh7 draw
5 Rb4 draw
6 Kf8 loss in 4 half-moves
7 Kh8 loss in 4 half-moves
8 Ra7 loss in 4 half-moves
9 Rb8 loss in 4 half-moves
10 Rc7 loss in 4 half-moves
11 Rb1 loss in 2 half-moves
12 Rb2 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rd7 loss in 2 half-moves
16 Re7 loss in 2 half-moves
17 Rf7 loss in 2 half-moves
18 Rg7 loss in 2 half-moves
19 Rh7 loss in 2 half-moves