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

EGTB: win in 10 half-moves

# move score
1 Rb8 win in 9 half-moves
2 Kf7 draw
3 Kf8 draw
4 Kgg8 draw
5 Kgh6 draw
6 Kgh8 draw
7 Khg8 draw
8 Khh6 draw
9 Khh8 draw
10 Ra7 draw
11 Rb1 draw
12 Rb6 draw
13 Rc7 draw
14 Kf6 loss in 2 half-moves
15 Kgg6 loss in 2 half-moves
16 Khg6 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rb5 loss in 2 half-moves
21 Rd7 loss in 2 half-moves
22 Re7 loss in 2 half-moves
23 Rf7 loss in 2 half-moves