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 Ka5 draw
3 Ka7 draw
4 Ke1 draw
5 Ke2 draw
6 Ke3 draw
7 Kf1 draw
8 Kg1 draw
9 Kg2 draw
10 Kg3 draw
11 Ra3 draw
12 Rf5 draw
13 Rg3 draw
14 Rh3 draw
15 Kb5 loss in 2 half-moves
16 Kb6 loss in 2 half-moves
17 Kb7 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rc3 loss in 2 half-moves
20 Rd3 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Rf6 loss in 2 half-moves
23 Rf7 loss in 2 half-moves
24 Rf8 loss in 2 half-moves