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 Kc4 draw
3 Kc5 draw
4 Kc6 draw
5 Kd4 draw
6 Kd6 draw
7 Ke4 draw
8 Ra1 draw
9 Ra2 draw
10 Ra3 draw
11 Ra5 draw
12 Ra6 draw
13 Ra7 draw
14 Rc4 draw
15 Rd4 draw
16 Re4 draw
17 Rf4 draw
18 Rg4 draw
19 Ke5 loss in 2 half-moves
20 Ke6 loss in 2 half-moves
21 Ra8 loss in 2 half-moves
22 Rh4 loss in 2 half-moves