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 Ka4 draw
3 Kb5 draw
4 Kb6 draw
5 Rb1 draw
6 Rb4 draw
7 Rb5 draw
8 Rb7 draw
9 Rg2 draw
10 Rh2 draw
11 Kb4 loss in 4 half-moves
12 Ka6 loss in 2 half-moves
13 Ra2 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rc2 loss in 2 half-moves
17 Rd2 loss in 2 half-moves
18 Re2 loss in 2 half-moves
19 Rf2 loss in 2 half-moves