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 Ka6 draw
4 Kb4 draw
5 Kb5 draw
6 Kb6 draw
7 Ra7 draw
8 Rc7 draw
9 Rd7 draw
10 Re1 draw
11 Re2 draw
12 Re3 draw
13 Rf7 draw
14 Re4 loss in 2 half-moves
15 Re5 loss in 2 half-moves
16 Re6 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rg7 loss in 2 half-moves
19 Rh7 loss in 2 half-moves