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