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 Kc2 draw
3 Kc3 draw
4 Kd4 draw
5 Ke3 draw
6 Ke4 draw
7 Rb8 draw
8 Rf3 draw
9 Rf5 draw
10 Rf6 draw
11 Rf7 draw
12 Kd2 loss in 4 half-moves
13 Kc4 loss in 2 half-moves
14 Ke2 loss in 2 half-moves
15 Ra8 loss in 2 half-moves
16 Rc8 loss in 2 half-moves
17 Rd8 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Rf2 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves