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 Ka1 draw
3 Ka2 draw
4 Ka3 draw
5 Kb1 draw
6 Kb3 draw
7 Kc1 draw
8 Kc2 draw
9 Kc3 draw
10 Ra7 draw
11 Rb3 draw
12 Rb5 draw
13 Rb6 draw
14 Rc7 draw
15 Rd7 draw
16 Re7 draw
17 Rf7 draw
18 Rb8 loss in 2 half-moves
19 Rg7 loss in 2 half-moves
20 Rh7 loss in 2 half-moves