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

EGTB: win in 4 half-moves

# move score
1 Rf2 win in 3 half-moves
2 Rf3 win in 3 half-moves
3 Kc3 draw
4 Kc4 draw
5 Kd3 draw
6 Kd5 draw
7 Ke3 draw
8 Ke4 draw
9 Ke5 draw
10 Kg1 draw
11 Kg2 draw
12 Kg3 draw
13 Kh1 draw
14 Kh3 draw
15 Rb5 draw
16 Rf1 draw
17 Rf4 draw
18 Rf6 draw
19 Rg5 draw
20 Rh5 draw
21 Kc5 loss in 2 half-moves
22 Ra5 loss in 2 half-moves
23 Rc5 loss in 2 half-moves
24 Rd5 loss in 2 half-moves
25 Re5 loss in 2 half-moves
26 Rf7 loss in 2 half-moves
27 Rf8 loss in 2 half-moves