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 Ka2 draw
4 Ka5 draw
5 Ka7 draw
6 Kb2 draw
7 Kb5 draw
8 Kb6 draw
9 Kb7 draw
10 Kc1 draw
11 Kc2 draw
12 Ra4 draw
13 Rb2 draw
14 Rb3 draw
15 Rc4 draw
16 Rd4 draw
17 Rh4 draw
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rb7 loss in 2 half-moves
21 Re4 loss in 2 half-moves
22 Rf4 loss in 2 half-moves
23 Rg4 loss in 2 half-moves