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 Rf3 win in 3 half-moves
4 Ra7 draw
5 Rb7 draw
6 Rf4 draw
7 Rf5 draw
8 Rf6 draw
9 Rg7 draw
10 Ka3 loss in 2 half-moves
11 Kaa1 loss in 2 half-moves
12 Kab2 loss in 2 half-moves
13 Kb3 loss in 2 half-moves
14 Kba1 loss in 2 half-moves
15 Kbb2 loss in 2 half-moves
16 Kc1 loss in 2 half-moves
17 Kc2 loss in 2 half-moves
18 Rc7 loss in 2 half-moves
19 Rd7 loss in 2 half-moves
20 Re7 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rh7 loss in 2 half-moves