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 Ka3 draw
4 Kb1 draw
5 Kb3 draw
6 Kc1 draw
7 Kc2 draw
8 Kc3 draw
9 Ra4 draw
10 Rb5 draw
11 Rb6 draw
12 Rc4 draw
13 Rf4 draw
14 Ka1 loss in 12 half-moves
15 Re4 loss in 4 half-moves
16 Rb3 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rd4 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rh4 loss in 2 half-moves