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