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 Ka3 draw
4 Kb1 draw
5 Kb3 draw
6 Kg1 draw
7 Kg2 draw
8 Kh2 draw
9 Rb1 draw
10 Rb3 draw
11 Rb4 draw
12 Rb5 draw
13 Rb7 draw
14 Rc2 draw
15 Rd2 draw
16 Re2 draw
17 Rf2 draw
18 Rb6 loss in 2 half-moves
19 Rg2 loss in 2 half-moves
20 Rh2 loss in 2 half-moves