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 Kd8 loss in 2 half-moves
3 Kf8 loss in 2 half-moves
4 Kg1 loss in 2 half-moves
5 Kg2 loss in 2 half-moves
6 Kh2 loss in 2 half-moves
7 Ra7 loss in 2 half-moves
8 Rb7 loss in 2 half-moves
9 Rc7 loss in 2 half-moves
10 Rg1 loss in 2 half-moves
11 Rg2 loss in 2 half-moves
12 Rg3 loss in 2 half-moves
13 Rg5 loss in 2 half-moves
14 Rg6 loss in 2 half-moves
15 Rg8 loss in 2 half-moves
16 Rh7 loss in 2 half-moves
17 Kd7 loss in 1 half-moves
18 Ke7 loss in 1 half-moves
19 Kf7 loss in 1 half-moves
20 Rd7 loss in 1 half-moves
21 Re7 loss in 1 half-moves
22 Rf7 loss in 1 half-moves