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 K6f6 draw
3 K6h6 draw
4 K7f6 draw
5 K7f7 draw
6 K7h6 draw
7 K7h7 draw
8 Kf8 draw
9 Kh8 draw
10 Rd8 draw
11 Re8 draw
12 Rf8 draw
13 Rh8 draw
14 K6f7 loss in 2 half-moves
15 K6h7 loss in 2 half-moves
16 Kf5 loss in 2 half-moves
17 Kg5 loss in 2 half-moves
18 Kh5 loss in 2 half-moves
19 Ra8 loss in 1 half-moves
20 Rc8 loss in 1 half-moves