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

EGTB: win in 2 half-moves

# move score
1 Rf8 win in 1 half-moves
2 Ka7 draw
3 Kb7 draw
4 Kb8 draw
5 Kc1 draw
6 Kc2 draw
7 Kd1 draw
8 Kd3 draw
9 Ke1 draw
10 Ke2 draw
11 Re2 draw
12 Rf1 draw
13 Rf3 draw
14 Rf4 draw
15 Rf5 draw
16 Rf6 draw
17 Rg2 draw
18 Rh2 draw
19 Kc3 loss in 2 half-moves
20 Ke3 loss in 2 half-moves
21 Rf7 loss in 1 half-moves