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 Ka2 draw
3 Ka3 draw
4 Kb1 draw
5 Kb3 draw
6 Kc1 draw
7 Kc2 draw
8 Kc3 draw
9 Ra4 draw
10 Rb5 draw
11 Rb7 draw
12 Rb8 draw
13 Rd4 draw
14 Re4 draw
15 Rf4 draw
16 Rg4 draw
17 Rh4 draw
18 Ka1 loss in 16 half-moves
19 Rb3 loss in 2 half-moves
20 Rc4 loss in 2 half-moves