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 Ke7 draw
5 Ke8 draw
6 Rc7 draw
7 Rd7 draw
8 Re7 draw
9 Rf3 draw
10 Rf5 draw
11 Rf8 draw
12 Kc7 loss in 2 half-moves
13 Ra7 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rf1 loss in 2 half-moves
16 Rf2 loss in 2 half-moves
17 Rf4 loss in 2 half-moves
18 Rf6 loss in 2 half-moves
19 Rh7 loss in 2 half-moves