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 Kc5 draw
3 Kc6 draw
4 Kd4 draw
5 Kd6 draw
6 Ke5 draw
7 Ke6 draw
8 Ra4 draw
9 Rc4 draw
10 Re1 draw
11 Re2 draw
12 Re3 draw
13 Re6 draw
14 Re7 draw
15 Re8 draw
16 Rf4 draw
17 Rg4 draw
18 Rh4 draw
19 Kc4 loss in 2 half-moves
20 Rd4 loss in 2 half-moves
21 Re5 loss in 2 half-moves