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 Kc7 draw
5 Kd5 draw
6 Kd7 draw
7 Ke5 draw
8 Ke6 draw
9 Ke7 draw
10 Ra4 draw
11 Rc4 draw
12 Rd4 draw
13 Re1 draw
14 Re3 draw
15 Re5 draw
16 Re6 draw
17 Re7 draw
18 Re8 draw
19 Rf4 draw
20 Rg4 draw
21 Re2 loss in 2 half-moves
22 Rh4 loss in 2 half-moves