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

EGTB: win in 2 half-moves

# move score
1 Rg7 win in 1 half-moves
2 Ka6 draw
3 Kb6 draw
4 Kc6 draw
5 Re4 draw
6 Ka1 loss in 2 half-moves
7 Ka2 loss in 2 half-moves
8 Ka7 loss in 2 half-moves
9 Ka8 loss in 2 half-moves
10 Kb2 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 Kc8 loss in 2 half-moves
16 Rc7 loss in 2 half-moves
17 Rd7 loss in 2 half-moves
18 Re1 loss in 2 half-moves
19 Re2 loss in 2 half-moves
20 Re3 loss in 2 half-moves
21 Re5 loss in 2 half-moves
22 Re6 loss in 2 half-moves
23 Re8 loss in 2 half-moves
24 Rf7 loss in 2 half-moves
25 Rh7 loss in 2 half-moves