Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Ka1 draw
3 Ka2 draw
4 Kb2 draw
5 Kc1 draw
6 Kc2 draw
7 Ra3 draw
8 Rb2 draw
9 Rb4 draw
10 Rb5 draw
11 Rb6 draw
12 Rb8 draw
13 Re3 draw
14 Rf3 draw
15 Rh3 loss in 6 half-moves
16 Rd3 loss in 4 half-moves
17 Rc3 loss in 2 half-moves
18 Rg3 loss in 2 half-moves