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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Rb3 win in 1 half-moves
3 Rb4 win in 1 half-moves
4 Rb5 win in 1 half-moves
5 Rb7 draw
6 Ka6 loss in 2 half-moves
7 Ka8 loss in 2 half-moves
8 Ra8 loss in 2 half-moves
9 Rb2 loss in 2 half-moves
10 Rc8 loss in 2 half-moves
11 Rd8 loss in 2 half-moves
12 Re8 loss in 2 half-moves
13 Rf8 loss in 2 half-moves
14 Rg8 loss in 2 half-moves
15 Rh8 loss in 2 half-moves
16 Kb6 loss in 1 half-moves
17 Kb7 loss in 1 half-moves
18 Rb6 loss in 1 half-moves