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 Ka3 draw
4 Kb1 draw
5 Kb2 draw
6 Kb3 draw
7 Ra4 draw
8 Rb2 draw
9 Rb3 draw
10 Rb5 draw
11 Rb6 draw
12 Rb7 draw
13 Rd4 draw
14 Re4 draw
15 Rg4 draw
16 Rh4 draw
17 Rb1 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rf4 loss in 2 half-moves