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 Kb4 draw
3 Rb6 draw
4 Rf8 loss in 4 half-moves
5 Rg8 loss in 4 half-moves
6 Ka4 loss in 2 half-moves
7 Ka5 loss in 2 half-moves
8 Ka6 loss in 2 half-moves
9 Kb6 loss in 2 half-moves
10 Kc4 loss in 2 half-moves
11 Kc5 loss in 2 half-moves
12 Kc6 loss in 2 half-moves
13 Ra8 loss in 2 half-moves
14 Rc8 loss in 2 half-moves
15 Rd8 loss in 2 half-moves
16 Re8 loss in 2 half-moves
17 Rh8 loss in 1 half-moves