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

EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Rc7 win in 3 half-moves
3 Ra7 win in 11 half-moves
4 Ka5 draw
5 Ka8 draw
6 Kaa7 draw
7 Kab7 draw
8 Kb5 draw
9 Kb6 draw
10 Kba7 draw
11 Kbb7 draw
12 Kc7 draw
13 Kc8 draw
14 Rd7 draw
15 Re7 draw
16 Rf1 draw
17 Rf8 draw
18 Rf2 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rf5 loss in 2 half-moves
22 Rf6 loss in 2 half-moves
23 Rg7 loss in 2 half-moves
24 Rh7 loss in 2 half-moves