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 Kc3 draw
5 Kd1 draw
6 Kd3 draw
7 Ke2 draw
8 Ke3 draw
9 Rc4 draw
10 Rd4 draw
11 Rf4 draw
12 Rg4 draw
13 Rh1 draw
14 Rh2 draw
15 Rh5 draw
16 Rh6 draw
17 Rh8 draw
18 Ke1 loss in 12 half-moves
19 Re4 loss in 2 half-moves
20 Rh3 loss in 2 half-moves
21 Rh7 loss in 2 half-moves
22 Ra4 loss in 1 half-moves