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

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Rc6 win in 1 half-moves
3 Rc7 win in 1 half-moves
4 Rc8 win in 1 half-moves
5 Rb4 draw
6 Rc3 draw
7 Rc5 draw
8 Rf4 draw
9 Rg4 draw
10 Rh4 draw
11 Rc1 loss in 2 half-moves
12 Rc2 loss in 2 half-moves
13 Rd4 loss in 2 half-moves
14 Re4 loss in 2 half-moves