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

EGTB: win in 2 half-moves

# move score
1 Rc1 win in 1 half-moves
2 Kc3 draw
3 Kd3 draw
4 Kd5 draw
5 Ke3 draw
6 Ke4 draw
7 Ke5 draw
8 Rc2 draw
9 Rc3 draw
10 Rc7 draw
11 Kc5 loss in 2 half-moves
12 Ra4 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rc5 loss in 2 half-moves
15 Rc6 loss in 2 half-moves
16 Rc8 loss in 2 half-moves