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

EGTB: win in 6 half-moves

# move score
1 Rg7 win in 5 half-moves
2 Rg8 win in 5 half-moves
3 Ra2 draw
4 Rb2 draw
5 Rg1 draw
6 Rg5 draw
7 Rg6 draw
8 Rh2 draw
9 Kb7 loss in 2 half-moves
10 Kb8 loss in 2 half-moves
11 Kc7 loss in 2 half-moves
12 Kcd7 loss in 2 half-moves
13 Kcd8 loss in 2 half-moves
14 Ke7 loss in 2 half-moves
15 Ked7 loss in 2 half-moves
16 Ked8 loss in 2 half-moves
17 Kf7 loss in 2 half-moves
18 Kf8 loss in 2 half-moves
19 Rc2 loss in 2 half-moves
20 Rd2 loss in 2 half-moves
21 Re2 loss in 2 half-moves
22 Rf2 loss in 2 half-moves
23 Rg3 loss in 2 half-moves
24 Rg4 loss in 2 half-moves