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 Ka1 draw
3 Ka2 draw
4 Kb2 draw
5 Kc1 draw
6 Kc2 draw
7 Rb2 draw
8 Rb5 draw
9 Rb6 draw
10 Rb7 draw
11 Rc4 draw
12 Rd4 draw
13 Re4 draw
14 Rf4 draw
15 Rg4 draw
16 Rh4 draw
17 Ra4 loss in 2 half-moves
18 Rb3 loss in 2 half-moves