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 Kg2 draw
3 Kg4 draw
4 Kh2 draw
5 Kh3 draw
6 Kh4 draw
7 Ra8 draw
8 Rg8 draw
9 Rh8 draw
10 Kc6 loss in 2 half-moves
11 Kc7 loss in 2 half-moves
12 Kc8 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Ke6 loss in 2 half-moves
15 Ke7 loss in 2 half-moves
16 Ke8 loss in 2 half-moves
17 Kf2 loss in 2 half-moves
18 Kf3 loss in 2 half-moves
19 Kf4 loss in 2 half-moves
20 Rc8 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Rf8 loss in 2 half-moves