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 Rc7 win in 1 half-moves
3 Rc8 win in 1 half-moves
4 Rc2 loss in 10 half-moves
5 Rc3 loss in 10 half-moves
6 Ka7 loss in 2 half-moves
7 Kb7 loss in 2 half-moves
8 Kb8 loss in 2 half-moves
9 Ra4 loss in 2 half-moves
10 Rb4 loss in 2 half-moves
11 Rc5 loss in 2 half-moves
12 Rc6 loss in 2 half-moves
13 Rd4 loss in 2 half-moves
14 Re4 loss in 1 half-moves
15 Rf4 loss in 1 half-moves
16 Rg4 loss in 1 half-moves
17 Rh4 loss in 1 half-moves