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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Ka5 draw
3 Rb5 draw
4 Rb6 draw
5 Kb3 loss in 8 half-moves
6 Kb4 loss in 8 half-moves
7 Kb5 loss in 8 half-moves
8 Ra8 loss in 8 half-moves
9 Ka3 loss in 6 half-moves
10 Rc8 loss in 4 half-moves
11 Rg8 loss in 4 half-moves
12 Rb1 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rh8 loss in 1 half-moves