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 Kc2 draw
3 Kc3 draw
4 Kc4 draw
5 Kd2 draw
6 Kd4 draw
7 Ke2 draw
8 Ke3 draw
9 Ke4 draw
10 Ra1 draw
11 Ra2 draw
12 Ra3 draw
13 Ra5 draw
14 Ra6 draw
15 Ra7 draw
16 Rc4 draw
17 Re4 draw
18 Rf4 draw
19 Rg4 draw
20 Rh4 draw
21 Ra8 loss in 2 half-moves
22 Rd4 loss in 2 half-moves