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

EGTB: win in 2 half-moves

# move score
1 Rg4 win in 1 half-moves
2 Ra7 draw
3 Rb7 draw
4 Rc7 draw
5 Ke7 loss in 14 half-moves
6 Kf7 loss in 14 half-moves
7 Rg6 loss in 14 half-moves
8 Ke5 loss in 2 half-moves
9 Ke6 loss in 2 half-moves
10 Kf5 loss in 2 half-moves
11 Kg5 loss in 2 half-moves
12 Kg6 loss in 2 half-moves
13 Rd7 loss in 2 half-moves
14 Re7 loss in 2 half-moves
15 Rf7 loss in 2 half-moves
16 Rg1 loss in 2 half-moves
17 Rg2 loss in 2 half-moves
18 Rg3 loss in 2 half-moves
19 Rg5 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh7 loss in 2 half-moves