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 Ka3 draw
4 Kb1 draw
5 Kb2 draw
6 Kb3 draw
7 Rb2 draw
8 Rb3 draw
9 Rb5 draw
10 Rb6 draw
11 Rb8 draw
12 Rc7 draw
13 Rd7 draw
14 Re7 draw
15 Rg7 draw
16 Rh7 draw
17 Ra7 loss in 2 half-moves
18 Rb1 loss in 2 half-moves
19 Rf7 loss in 2 half-moves