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 a3 loss in 2 half-moves
3 Kd5 loss in 2 half-moves
4 Kd6 loss in 2 half-moves
5 Ke4 loss in 2 half-moves
6 Ke6 loss in 2 half-moves
7 Kf5 loss in 2 half-moves
8 Kf6 loss in 2 half-moves
9 Rb1 loss in 2 half-moves
10 Rb3 loss in 2 half-moves
11 Rb5 loss in 2 half-moves
12 Rb7 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Rc4 loss in 2 half-moves
15 Re4 loss in 2 half-moves
16 Rh4 loss in 2 half-moves
17 Kd4 loss in 1 half-moves
18 Kf4 loss in 1 half-moves
19 Rb2 loss in 1 half-moves
20 Rb6 loss in 1 half-moves
21 Rd4 loss in 1 half-moves
22 Rf4 loss in 1 half-moves