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 Ka1 draw
5 Ka2 draw
6 Ka3 draw
7 Kb1 draw
8 Kb3 draw
9 Kc1 draw
10 Kc2 draw
11 Kc3 draw
12 Ra5 draw
13 Rb4 draw
14 Rd5 draw
15 Re5 draw
16 Rb3 loss in 2 half-moves
17 Rc5 loss in 2 half-moves
18 Rf5 loss in 2 half-moves
19 Rg5 loss in 2 half-moves
20 Rh5 loss in 2 half-moves