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