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 Ka4 draw
3 Ka5 draw
4 Kc4 draw
5 Kc5 draw
6 Rc5 draw
7 Rd5 draw
8 Re5 draw
9 Rf5 draw
10 Rg5 draw
11 Rh5 draw
12 Ka3 loss in 2 half-moves
13 Kb3 loss in 2 half-moves
14 Kc3 loss in 2 half-moves
15 Ra5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rb8 loss in 2 half-moves