Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rf4 win in 1 half-moves
2 Kc3 draw
3 Kc4 draw
4 Kc5 draw
5 Kd3 draw
6 Kd5 draw
7 Ke3 draw
8 Ke5 draw
9 Rg3 draw
10 Rg5 draw
11 Ke4 loss in 12 half-moves
12 Rh4 loss in 10 half-moves
13 Rg2 loss in 6 half-moves
14 Rg6 loss in 6 half-moves
15 Re4 loss in 2 half-moves
16 Rg7 loss in 2 half-moves
17 Rg8 loss in 2 half-moves
18 Rg1 loss in 1 half-moves