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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Ka3 draw
3 Ka5 draw
4 Kb3 draw
5 Kb4 draw
6 Kb5 draw
7 Ra7 draw
8 Rb1 draw
9 Rb3 draw
10 Rb4 draw
11 Rb5 draw
12 Rc7 draw
13 Rd7 draw
14 Re7 draw
15 Rf7 draw
16 Rh7 draw
17 Rb2 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rg7 loss in 2 half-moves