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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Rb5 win in 3 half-moves
3 Rb7 win in 3 half-moves
4 Ka1 draw
5 Ka2 draw
6 Ka5 draw
7 Ka7 draw
8 Kb2 draw
9 Kb5 draw
10 Kb6 draw
11 Kb7 draw
12 Kc1 draw
13 Kc2 draw
14 Ra4 draw
15 Rb6 draw
16 Rc4 draw
17 Rd4 draw
18 Re4 draw
19 Rf4 draw
20 Rb2 loss in 2 half-moves
21 Rb3 loss in 2 half-moves
22 Rg4 loss in 2 half-moves
23 Rh4 loss in 2 half-moves