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 Kb7 draw
3 Kb8 draw
4 Kc7 draw
5 Kd7 draw
6 Kd8 draw
7 Rc2 draw
8 Rc5 draw
9 Rc6 draw
10 Rh4 draw
11 Ra4 loss in 2 half-moves
12 Rb4 loss in 2 half-moves
13 Rc1 loss in 2 half-moves
14 Rc3 loss in 2 half-moves
15 Rd4 loss in 2 half-moves
16 Re4 loss in 2 half-moves
17 Rf4 loss in 2 half-moves
18 Rg4 loss in 2 half-moves