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 Ka5 draw
3 Kb7 draw
4 Rb1 draw
5 Rb2 draw
6 Rb3 draw
7 Rb6 draw
8 Rb7 draw
9 Rd4 draw
10 Rh4 draw
11 Ka7 loss in 16 half-moves
12 Kb6 loss in 8 half-moves
13 Ra4 loss in 6 half-moves
14 Kb5 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Re4 loss in 1 half-moves
18 Rf4 loss in 1 half-moves
19 Rg4 loss in 1 half-moves