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 Kc5 draw
4 Kc6 draw
5 Ra1 draw
6 Rb2 draw
7 Rb4 draw
8 Rc1 draw
9 Kb7 loss in 12 half-moves
10 Kc7 loss in 12 half-moves
11 Kb5 loss in 8 half-moves
12 Ka5 loss in 6 half-moves
13 Ka7 loss in 6 half-moves
14 Rd1 loss in 4 half-moves
15 Rb5 loss in 2 half-moves
16 Re1 loss in 2 half-moves
17 Rf1 loss in 2 half-moves
18 Rh1 loss in 2 half-moves
19 Rg1 loss in 1 half-moves