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 Kg3 draw
9 Kh1 draw
10 Kh3 draw
11 Rb1 draw
12 Rb3 draw
13 Rb4 draw
14 Rb5 draw
15 Rb7 draw
16 Rc2 draw
17 Rd2 draw
18 Re2 draw
19 Rf2 draw
20 Rb6 loss in 2 half-moves
21 Rg2 loss in 2 half-moves