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

EGTB: win in 4 half-moves

# move score
1 Rc7 win in 3 half-moves
2 Rc8 win in 3 half-moves
3 Ra3 draw
4 Rc4 draw
5 Rc5 draw
6 Rc6 draw
7 Re3 draw
8 Rf3 draw
9 Rg3 draw
10 Kf7 loss in 2 half-moves
11 Kf8 loss in 2 half-moves
12 Kgg7 loss in 2 half-moves
13 Kgh7 loss in 2 half-moves
14 Khg7 loss in 2 half-moves
15 Khh7 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rc1 loss in 2 half-moves
18 Rc2 loss in 2 half-moves
19 Rd3 loss in 2 half-moves
20 Rh3 loss in 2 half-moves