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 Kc4 loss in 2 half-moves
3 Kc5 loss in 2 half-moves
4 Ke4 loss in 2 half-moves
5 Ke5 loss in 2 half-moves
6 Ra4 loss in 2 half-moves
7 Rb4 loss in 2 half-moves
8 Rc4 loss in 2 half-moves
9 Rd1 loss in 2 half-moves
10 Rd2 loss in 2 half-moves
11 Rd3 loss in 2 half-moves
12 Re4 loss in 2 half-moves
13 Rf4 loss in 2 half-moves
14 Rh4 loss in 2 half-moves
15 Kc6 loss in 1 half-moves
16 Kd6 loss in 1 half-moves
17 Ke6 loss in 1 half-moves