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 Ka7 draw
3 Ka8 draw
4 Kb7 draw
5 Kc7 draw
6 Kc8 draw
7 Ke7 draw
8 Ke8 draw
9 Kf7 draw
10 Kg7 draw
11 Kg8 draw
12 Ra5 draw
13 Rb5 draw
14 Rf6 draw
15 Rf7 draw
16 Rg5 draw
17 Rh5 draw
18 Rc5 loss in 2 half-moves
19 Rd5 loss in 2 half-moves
20 Re5 loss in 2 half-moves
21 Rf1 loss in 2 half-moves
22 Rf2 loss in 2 half-moves
23 Rf3 loss in 2 half-moves