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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Rb3 win in 1 half-moves
3 Rb4 win in 1 half-moves
4 Rb7 win in 1 half-moves
5 Rc6 win in 1 half-moves
6 Rd6 win in 1 half-moves
7 Rg6 win in 1 half-moves
8 Rh6 win in 1 half-moves
9 Ka4 draw
10 Ka6 draw
11 Kb4 draw
12 Kb5 draw
13 Ra6 draw
14 Rb5 draw
15 Rb1 loss in 1 half-moves
16 Rb8 loss in 1 half-moves
17 Re6 loss in 1 half-moves
18 Rf6 loss in 1 half-moves