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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Ka5 draw
3 Ka7 draw
4 Kb7 draw
5 Rb4 draw
6 Rb7 draw
7 Rh8 loss in 14 half-moves
8 Rb5 loss in 12 half-moves
9 Kb5 loss in 4 half-moves
10 Kb6 loss in 4 half-moves
11 Ra8 loss in 4 half-moves
12 Rb1 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Rb6 loss in 2 half-moves
15 Rc8 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Rf8 loss in 1 half-moves