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 7 half-moves
3 Rc6 win in 7 half-moves
4 Ka3 draw
5 Ka5 draw
6 Ka6 draw
7 Ka8 draw
8 Kb3 draw
9 Kb4 draw
10 Kb5 draw
11 Kb6 draw
12 Kb7 draw
13 Kb8 draw
14 Rd1 draw
15 Rd5 draw
16 Rd7 draw
17 Rd8 draw
18 Rh6 draw
19 Rd2 loss in 2 half-moves
20 Rd3 loss in 2 half-moves
21 Rd4 loss in 2 half-moves
22 Re6 loss in 2 half-moves
23 Rf6 loss in 2 half-moves
24 Rg6 loss in 2 half-moves