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