Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Kc2 draw
3 Kc3 draw
4 Kc4 draw
5 Kd2 draw
6 Kd4 draw
7 Ke2 draw
8 Ke3 draw
9 Rb4 draw
10 Rc4 draw
11 Rd4 draw
12 Re2 draw
13 Re3 draw
14 Re5 draw
15 Re6 draw
16 Re7 draw
17 Re8 draw
18 Rf4 draw
19 Rg4 draw
20 Re1 loss in 2 half-moves
21 Rh4 loss in 2 half-moves