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

EGTB: win in 2 half-moves

# move score
1 Rg1 win in 1 half-moves
2 Ra7 draw
3 Rb7 draw
4 Rc7 draw
5 Rd7 draw
6 Rg3 draw
7 Rg4 draw
8 Rg5 draw
9 Rh7 draw
10 Ke7 loss in 2 half-moves
11 Ke8 loss in 2 half-moves
12 Kf7 loss in 2 half-moves
13 Kg8 loss in 2 half-moves
14 Re7 loss in 2 half-moves
15 Rf7 loss in 2 half-moves
16 Rg2 loss in 2 half-moves
17 Rg6 loss in 2 half-moves
18 Rg8 loss in 2 half-moves