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 Rf2 draw
3 Rf3 draw
4 Rf4 draw
5 Rf6 draw
6 Rh8 draw
7 Ka1 loss in 2 half-moves
8 Ka2 loss in 2 half-moves
9 Kb2 loss in 2 half-moves
10 Kb7 loss in 2 half-moves
11 Kb8 loss in 2 half-moves
12 Kc1 loss in 2 half-moves
13 Kc2 loss in 2 half-moves
14 Kc7 loss in 2 half-moves
15 Kd7 loss in 2 half-moves
16 Kd8 loss in 2 half-moves
17 Rd8 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Rf5 loss in 2 half-moves
21 Rf7 loss in 2 half-moves