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 Kf1 draw
3 Kf2 draw
4 Kf3 draw
5 Kg3 draw
6 Kh3 draw
7 Rc4 draw
8 Rh4 draw
9 Kg1 loss in 16 half-moves
10 Rg8 loss in 10 half-moves
11 Kh1 loss in 4 half-moves
12 Kh2 loss in 4 half-moves
13 Ra4 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rd4 loss in 2 half-moves
16 Re4 loss in 2 half-moves
17 Rf4 loss in 2 half-moves
18 Rg3 loss in 2 half-moves
19 Rg5 loss in 2 half-moves
20 Rg6 loss in 2 half-moves