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