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 Kd1 draw
3 Kd2 draw
4 Ke2 draw
5 Kf1 draw
6 Kf2 draw
7 Re3 draw
8 Rf1 draw
9 Rf2 draw
10 Rf6 draw
11 Rb3 loss in 10 half-moves
12 Rc3 loss in 6 half-moves
13 Rd3 loss in 2 half-moves
14 Rf5 loss in 2 half-moves
15 Rf7 loss in 2 half-moves
16 Rf8 loss in 2 half-moves
17 Rg3 loss in 2 half-moves
18 Rh3 loss in 2 half-moves
19 Ra3 loss in 1 half-moves