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 Rf4 win in 3 half-moves
4 Rf5 win in 3 half-moves
5 Ra7 draw
6 Rb7 draw
7 Rf1 draw
8 Rf6 draw
9 Rh7 draw
10 Ka2 loss in 2 half-moves
11 Ka5 loss in 2 half-moves
12 Kaa3 loss in 2 half-moves
13 Kab4 loss in 2 half-moves
14 Kb2 loss in 2 half-moves
15 Kb5 loss in 2 half-moves
16 Kba3 loss in 2 half-moves
17 Kbb4 loss in 2 half-moves
18 Kc2 loss in 2 half-moves
19 Kc3 loss in 2 half-moves
20 Kc4 loss in 2 half-moves
21 Rc7 loss in 2 half-moves
22 Rd7 loss in 2 half-moves
23 Re7 loss in 2 half-moves
24 Rf8 loss in 2 half-moves
25 Rg7 loss in 2 half-moves