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 Kg1 draw
3 Kg2 draw
4 Kh2 draw
5 Rf4 draw
6 Rg3 draw
7 Rg5 draw
8 Rg8 draw
9 Rh4 draw
10 Rc4 loss in 6 half-moves
11 Re4 loss in 6 half-moves
12 Ra4 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rd4 loss in 2 half-moves
15 Rg1 loss in 2 half-moves
16 Rg2 loss in 2 half-moves
17 Rg6 loss in 2 half-moves