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 Ka7 draw
3 Kb7 draw
4 Rb1 draw
5 Rb2 draw
6 Rc4 draw
7 Rd4 draw
8 Re4 draw
9 Rf4 draw
10 Rg4 draw
11 Kb8 loss in 2 half-moves
12 Ra4 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rb7 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rh4 loss in 2 half-moves