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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Ka6 draw
3 Ka8 draw
4 Kb6 draw
5 Kb7 draw
6 Kb8 draw
7 Ra2 draw
8 Rb1 draw
9 Rb4 draw
10 Rb5 draw
11 Rb7 draw
12 Rb8 draw
13 Rd2 draw
14 Rg2 loss in 4 half-moves
15 Rb6 loss in 2 half-moves
16 Rh2 loss in 2 half-moves
17 Rc2 loss in 1 half-moves
18 Re2 loss in 1 half-moves
19 Rf2 loss in 1 half-moves