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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kf1 draw
3 Kg1 draw
4 Kg3 draw
5 Kg7 draw
6 Kg8 draw
7 Kh1 draw
8 Kh2 draw
9 Kh3 draw
10 Kh7 draw
11 Rf1 draw
12 Rf2 draw
13 Rf6 draw
14 Rf7 draw
15 Rg8 draw
16 Kf2 loss in 2 half-moves
17 Kf3 loss in 2 half-moves
18 Ra8 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Rf3 loss in 2 half-moves
23 Rf4 loss in 2 half-moves
24 Rf5 loss in 2 half-moves