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 Rd7 win in 3 half-moves
3 Ra7 win in 13 half-moves
4 Ka3 draw
5 Ka5 draw
6 Kab4 draw
7 Kab5 draw
8 Kb3 draw
9 Kb6 draw
10 Kc4 draw
11 Kc6 draw
12 Kcb4 draw
13 Kcb5 draw
14 Kd4 draw
15 Kd5 draw
16 Kd6 draw
17 Rc7 draw
18 Re7 draw
19 Rf1 draw
20 Rf8 draw
21 Rf2 loss in 2 half-moves
22 Rf3 loss in 2 half-moves
23 Rf4 loss in 2 half-moves
24 Rf5 loss in 2 half-moves
25 Rf6 loss in 2 half-moves
26 Rg7 loss in 2 half-moves
27 Rh7 loss in 2 half-moves