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 Kb8 draw
3 Kd8 draw
4 Ke4 draw
5 Re4 draw
6 Rf1 draw
7 Rf2 draw
8 Rf6 draw
9 Rf7 draw
10 Rf8 draw
11 Rh4 draw
12 Kb7 loss in 2 half-moves
13 Kc3 loss in 2 half-moves
14 Kc4 loss in 2 half-moves
15 Kc5 loss in 2 half-moves
16 Kc7 loss in 2 half-moves
17 Kd3 loss in 2 half-moves
18 Kd5 loss in 2 half-moves
19 Kd7 loss in 2 half-moves
20 Ke3 loss in 2 half-moves
21 Ke5 loss in 2 half-moves
22 Rf3 loss in 2 half-moves
23 Rf5 loss in 2 half-moves