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 Ka3 draw
3 Kb3 draw
4 Kb4 draw
5 Kb5 draw
6 Rb5 draw
7 Ka5 loss in 8 half-moves
8 Ra6 loss in 8 half-moves
9 Rb1 loss in 8 half-moves
10 Rc6 loss in 4 half-moves
11 Rb2 loss in 2 half-moves
12 Rb3 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rd6 loss in 2 half-moves
16 Re6 loss in 2 half-moves
17 Rf6 loss in 2 half-moves
18 Rg6 loss in 1 half-moves
19 Rh6 loss in 1 half-moves