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 Ra3 draw
3 Rc6 draw
4 Rc7 draw
5 Rc8 draw
6 Re3 draw
7 Rf3 draw
8 Rg3 draw
9 Kc7 loss in 2 half-moves
10 Kc8 loss in 2 half-moves
11 Kd7 loss in 2 half-moves
12 Ke7 loss in 2 half-moves
13 Ke8 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rc1 loss in 2 half-moves
16 Rc2 loss in 2 half-moves
17 Rc5 loss in 2 half-moves
18 Rd3 loss in 2 half-moves
19 Rh3 loss in 2 half-moves