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

EGTB: win in 2 half-moves

# move score
1 Rg8 win in 1 half-moves
2 Kc3 loss in 2 half-moves
3 Kc4 loss in 2 half-moves
4 Kc5 loss in 2 half-moves
5 Kd3 loss in 2 half-moves
6 Kd5 loss in 2 half-moves
7 Ra8 loss in 2 half-moves
8 Rb8 loss in 2 half-moves
9 Rc8 loss in 2 half-moves
10 Rd5 loss in 2 half-moves
11 Rd6 loss in 2 half-moves
12 Rd7 loss in 2 half-moves
13 Re8 loss in 2 half-moves
14 Rf8 loss in 2 half-moves
15 Rh8 loss in 2 half-moves
16 Ke3 loss in 1 half-moves
17 Ke4 loss in 1 half-moves
18 Ke5 loss in 1 half-moves