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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Ka5 draw
3 Ka6 draw
4 Ka7 draw
5 Kb7 draw
6 Kc5 draw
7 Kc6 draw
8 Kc7 draw
9 Ra1 draw
10 Rb2 draw
11 Rb3 draw
12 Rc1 draw
13 Kb5 loss in 8 half-moves
14 Re1 loss in 4 half-moves
15 Rf1 loss in 4 half-moves
16 Rb5 loss in 2 half-moves
17 Rg1 loss in 2 half-moves
18 Rh1 loss in 2 half-moves
19 Rd1 loss in 1 half-moves