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 Ke4 draw
3 Kf5 draw
4 Rd5 draw
5 Rd6 draw
6 Rd7 draw
7 Rd8 draw
8 Rh4 draw
9 Kd5 loss in 2 half-moves
10 Kd6 loss in 2 half-moves
11 Ke6 loss in 2 half-moves
12 Kf4 loss in 2 half-moves
13 Kf6 loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rd1 loss in 2 half-moves
18 Rd2 loss in 2 half-moves
19 Rd3 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Rf4 loss in 2 half-moves