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 Rd8 win in 9 half-moves
3 Rf1 draw
4 Kb7 loss in 2 half-moves
5 Kb8 loss in 2 half-moves
6 Kc5 loss in 2 half-moves
7 Kc6 loss in 2 half-moves
8 Kcc7 loss in 2 half-moves
9 Kcd7 loss in 2 half-moves
10 Kd5 loss in 2 half-moves
11 Kd8 loss in 2 half-moves
12 Kdc7 loss in 2 half-moves
13 Kdd7 loss in 2 half-moves
14 Ke5 loss in 2 half-moves
15 Ke6 loss in 2 half-moves
16 Ke7 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf2 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rf5 loss in 2 half-moves
22 Rf6 loss in 2 half-moves
23 Rf7 loss in 2 half-moves
24 Rh8 loss in 2 half-moves