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 Kc8 draw
3 Kd7 draw
4 Ke8 draw
5 Rc4 draw
6 Rc6 draw
7 Rc8 draw
8 Rd7 draw
9 Rf7 draw
10 Rh7 draw
11 Ke7 loss in 2 half-moves
12 Ra7 loss in 2 half-moves
13 Rb7 loss in 2 half-moves
14 Rc1 loss in 2 half-moves
15 Rc2 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rc5 loss in 2 half-moves
18 Re7 loss in 2 half-moves