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 Kd3 draw
4 Ke1 draw
5 Ke2 draw
6 Ke3 draw
7 Rc8 draw
8 Rd8 draw
9 Rf5 draw
10 Rf6 draw
11 Rf7 draw
12 Rg8 draw
13 Rh8 draw
14 Kc1 loss in 2 half-moves
15 Kc2 loss in 2 half-moves
16 Kc3 loss in 2 half-moves
17 Ra8 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rf2 loss in 2 half-moves
22 Rf3 loss in 2 half-moves