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