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 Ka7 draw
3 Kb5 draw
4 Kb6 draw
5 Kb7 draw
6 Rb1 draw
7 Rb2 draw
8 Rb3 draw
9 Rc4 draw
10 Rd4 draw
11 Re4 draw
12 Rf4 draw
13 Rg4 draw
14 Ka5 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rh4 loss in 2 half-moves