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

EGTB: win in 2 half-moves

# move score
1 Rb6 win in 1 half-moves
2 Rb7 win in 1 half-moves
3 Rb8 win in 1 half-moves
4 Ka6 draw
5 Ka8 draw
6 Kb6 draw
7 Kb7 draw
8 Kb8 draw
9 Kg1 draw
10 Kh2 draw
11 Ra4 draw
12 Rb2 draw
13 Rb3 draw
14 Rb5 draw
15 Rc4 draw
16 Re4 draw
17 Rf4 draw
18 Rg4 draw
19 Kg2 loss in 2 half-moves
20 Rb1 loss in 1 half-moves
21 Rd4 loss in 1 half-moves
22 Rh4 loss in 1 half-moves