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 Kb5 draw
6 Kb7 draw
7 Kc5 draw
8 Kc6 draw
9 Kc7 draw
10 Rb2 draw
11 Rb3 draw
12 Rc1 draw
13 Rd1 draw
14 Re1 draw
15 Rf1 draw
16 Ra1 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rg1 loss in 2 half-moves
19 Rh1 loss in 2 half-moves