Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Rf4 win in 3 half-moves
2 Kc4 draw
3 Kc5 draw
4 Kd4 draw
5 Kd6 draw
6 Kde4 draw
7 Kde5 draw
8 Kf4 draw
9 Rb1 draw
10 Rd1 draw
11 Rf2 draw
12 Rf3 draw
13 Kc6 loss in 2 half-moves
14 Kde6 loss in 2 half-moves
15 Kf6 loss in 2 half-moves
16 Kfe4 loss in 2 half-moves
17 Kfe5 loss in 2 half-moves
18 Kfe6 loss in 2 half-moves
19 Kg4 loss in 2 half-moves
20 Kg5 loss in 2 half-moves
21 Kg6 loss in 2 half-moves
22 Ra1 loss in 2 half-moves
23 Rc1 loss in 2 half-moves
24 Re1 loss in 2 half-moves
25 Rg1 loss in 2 half-moves
26 Rh1 loss in 2 half-moves