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 K6h6 draw
3 K6h7 draw
4 K7h6 draw
5 K7h7 draw
6 Kg5 draw
7 Kh5 draw
8 Kh8 draw
9 Ra8 draw
10 Rh8 draw
11 K6f6 loss in 2 half-moves
12 K6f7 loss in 2 half-moves
13 K7f6 loss in 2 half-moves
14 K7f7 loss in 2 half-moves
15 Kf5 loss in 2 half-moves
16 Kf8 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves