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 Rd4 draw
11 Re1 draw
12 Re3 draw
13 Re5 draw
14 Re6 draw
15 Re7 draw
16 Rf4 draw
17 Rg4 draw
18 Rc4 loss in 2 half-moves
19 Re2 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rh4 loss in 2 half-moves