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 Kb1 draw
3 Kb2 draw
4 Kc2 draw
5 Kd2 draw
6 Kd7 draw
7 Kd8 draw
8 Ke7 draw
9 Kf7 draw
10 Kf8 draw
11 Rd1 draw
12 Re1 draw
13 Rf2 draw
14 Rf3 draw
15 Rf5 loss in 2 half-moves
16 Rf6 loss in 2 half-moves
17 Rf7 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg1 loss in 2 half-moves
20 Rh1 loss in 2 half-moves
21 Kd1 loss in 1 half-moves