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

EGTB: win in 4 half-moves

# move score
1 Rf1 win in 3 half-moves
2 Rf2 win in 3 half-moves
3 Ra7 draw
4 Rb7 draw
5 Rc7 draw
6 Rf3 draw
7 Rf4 draw
8 Rf5 draw
9 Rg7 draw
10 Ka2 loss in 2 half-moves
11 Kb1 loss in 2 half-moves
12 Kb2 loss in 2 half-moves
13 Kb4 loss in 2 half-moves
14 Kb5 loss in 2 half-moves
15 Kb6 loss in 2 half-moves
16 Kc4 loss in 2 half-moves
17 Kc6 loss in 2 half-moves
18 Kd4 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Kd6 loss in 2 half-moves
21 Rd7 loss in 2 half-moves
22 Re7 loss in 2 half-moves
23 Rf6 loss in 2 half-moves
24 Rf8 loss in 2 half-moves
25 Rh7 loss in 2 half-moves