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 Kf6 draw
3 Kf7 draw
4 Rf8 draw
5 Rh8 loss in 8 half-moves
6 Kd7 loss in 6 half-moves
7 Ke6 loss in 6 half-moves
8 Kf8 loss in 6 half-moves
9 Re8 loss in 6 half-moves
10 Kd8 loss in 4 half-moves
11 Ke8 loss in 4 half-moves
12 Rg7 loss in 4 half-moves
13 Kd6 loss in 2 half-moves
14 Ra8 loss in 2 half-moves
15 Rc8 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Rg2 loss in 2 half-moves
18 Rg3 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rg5 loss in 2 half-moves
21 Rg6 loss in 2 half-moves
22 Rg1 loss in 1 half-moves