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

EGTB: win in 16 half-moves

# move score
1 Rb8 win in 15 half-moves
2 Kf6 draw
3 Kf7 draw
4 Kf8 draw
5 Kg8 draw
6 Kgh7 draw
7 Kh8 draw
8 Khg6 draw
9 Khh7 draw
10 Ra7 draw
11 Rb1 draw
12 Rb5 draw
13 Rb6 draw
14 Rc7 draw
15 Rd7 draw
16 Re7 draw
17 Rf7 draw
18 Kg5 loss in 2 half-moves
19 Kgg6 loss in 2 half-moves
20 Kh5 loss in 2 half-moves
21 Rb2 loss in 2 half-moves
22 Rb3 loss in 2 half-moves
23 Rb4 loss in 2 half-moves