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 Kc1 draw
3 Kc3 draw
4 Kd1 draw
5 Kd3 draw
6 Ke1 draw
7 Ke2 draw
8 Ke3 draw
9 Rf1 draw
10 Rf3 draw
11 Kc2 loss in 4 half-moves
12 Rh2 loss in 4 half-moves
13 Re2 loss in 2 half-moves
14 Rf7 loss in 2 half-moves
15 Rf8 loss in 2 half-moves
16 Rg2 loss in 2 half-moves
17 Rf5 loss in 1 half-moves
18 Rf6 loss in 1 half-moves