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

EGTB: win in 4 half-moves

# move score
1 Rg7 win in 3 half-moves
2 Rc4 draw
3 Rd4 draw
4 Re4 draw
5 Rf4 draw
6 Rg1 draw
7 Rg5 draw
8 Rg6 draw
9 Kf7 loss in 2 half-moves
10 Kf8 loss in 2 half-moves
11 Kgg7 loss in 2 half-moves
12 Kgh7 loss in 2 half-moves
13 Khg7 loss in 2 half-moves
14 Khh7 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rg2 loss in 2 half-moves
18 Rg3 loss in 2 half-moves
19 Rh4 loss in 2 half-moves