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 Ka2 draw
3 Ka4 draw
4 Kb2 draw
5 Kb3 draw
6 Ra4 draw
7 Rb2 draw
8 Rb3 draw
9 Rb5 draw
10 Rb7 draw
11 Rc4 draw
12 Re4 draw
13 Rf4 draw
14 Rh4 draw
15 Rb1 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Rg4 loss in 2 half-moves