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

EGTB: win in 2 half-moves

# move score
1 Rc4 win in 1 half-moves
2 Kd1 draw
3 Kd2 draw
4 Kd3 draw
5 Ke1 draw
6 Ke3 draw
7 Kf1 draw
8 Kf2 draw
9 Kf3 draw
10 Ra4 draw
11 Rb4 draw
12 Rd4 draw
13 Re3 draw
14 Re5 draw
15 Re6 draw
16 Re7 draw
17 Rf4 draw
18 Rh4 draw
19 Re8 loss in 2 half-moves
20 Rg4 loss in 2 half-moves