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 Kc3 draw
3 Kc4 draw
4 Kc5 draw
5 Kd3 draw
6 Kd5 draw
7 Ke5 draw
8 Rf3 draw
9 Rf5 draw
10 Rf6 draw
11 Rf8 draw
12 Ke3 loss in 2 half-moves
13 Ke4 loss in 2 half-moves
14 Re4 loss in 2 half-moves
15 Rf1 loss in 2 half-moves
16 Rf2 loss in 2 half-moves
17 Rf7 loss in 2 half-moves
18 Rh4 loss in 2 half-moves