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 Kb7 draw
3 Kb8 draw
4 Kc7 draw
5 Kd7 draw
6 Kd8 draw
7 Rb3 draw
8 Rc2 draw
9 Rc4 draw
10 Rd3 draw
11 Rc5 loss in 2 half-moves
12 Rc6 loss in 2 half-moves
13 Rc7 loss in 2 half-moves
14 Re3 loss in 2 half-moves
15 Rf3 loss in 2 half-moves
16 Rg3 loss in 2 half-moves
17 Rh3 loss in 2 half-moves
18 Ra3 loss in 1 half-moves