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

EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Ra6 win in 5 half-moves
3 Rd6 win in 9 half-moves
4 Ka3 draw
5 Ka5 draw
6 Ka6 draw
7 Ka7 draw
8 Ka8 draw
9 Kb4 draw
10 Kb5 draw
11 Kb6 draw
12 Kb8 draw
13 Kc6 draw
14 Kc7 draw
15 Kc8 draw
16 Rc6 draw
17 Re6 draw
18 Rf1 draw
19 Rf2 draw
20 Rf7 draw
21 Rf8 draw
22 Kb3 loss in 2 half-moves
23 Rf3 loss in 2 half-moves
24 Rf4 loss in 2 half-moves
25 Rf5 loss in 2 half-moves
26 Rg6 loss in 2 half-moves
27 Rh6 loss in 2 half-moves