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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Rb5 win in 1 half-moves
3 Rh8 win in 1 half-moves
4 Rb4 draw
5 Rb6 draw
6 K7b7 loss in 2 half-moves
7 K8b7 loss in 2 half-moves
8 Ka6 loss in 2 half-moves
9 Rb1 loss in 2 half-moves
10 Rb3 loss in 2 half-moves
11 Rb7 loss in 2 half-moves
12 Rc8 loss in 2 half-moves
13 Rd8 loss in 2 half-moves
14 Re8 loss in 2 half-moves
15 Rf8 loss in 2 half-moves
16 Rg8 loss in 2 half-moves
17 Kb6 loss in 1 half-moves