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 Kc1 draw
3 Kc2 draw
4 Kd1 draw
5 Kd3 draw
6 Ke1 draw
7 Ke2 draw
8 Ke3 draw
9 Ra4 draw
10 Rc4 draw
11 Rd4 draw
12 Re4 draw
13 Rf4 draw
14 Rg1 draw
15 Rg2 draw
16 Rg3 draw
17 Rg5 draw
18 Rg6 draw
19 Rg7 draw
20 Rg8 draw
21 Rh4 draw
22 Kc3 loss in 2 half-moves