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 Kb1 draw
4 Kb2 draw
5 Ra3 draw
6 Rb4 draw
7 Rb5 draw
8 Rb6 draw
9 Rf3 loss in 36 half-moves
10 Re3 loss in 8 half-moves
11 Rc3 loss in 6 half-moves
12 Rb1 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rd3 loss in 2 half-moves
16 Rg3 loss in 2 half-moves
17 Rh3 loss in 2 half-moves