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 Rh2 draw
3 Ka7 loss in 2 half-moves
4 Ka8 loss in 2 half-moves
5 Kb7 loss in 2 half-moves
6 Kbc7 loss in 2 half-moves
7 Kbc8 loss in 2 half-moves
8 Kd7 loss in 2 half-moves
9 Kdc7 loss in 2 half-moves
10 Kdc8 loss in 2 half-moves
11 Ke7 loss in 2 half-moves
12 Ke8 loss in 2 half-moves
13 Re8 loss in 2 half-moves
14 Rf8 loss in 2 half-moves
15 Rh1 loss in 2 half-moves
16 Rh3 loss in 2 half-moves
17 Rh4 loss in 2 half-moves
18 Rh5 loss in 2 half-moves
19 Rh6 loss in 2 half-moves
20 Rh7 loss in 2 half-moves