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

EGTB: win in 4 half-moves

# move score
1 Kb1 win in 3 half-moves
2 Kb2 win in 3 half-moves
3 Ra7 win in 3 half-moves
4 Rb7 win in 3 half-moves
5 Ka2 draw
6 Rc5 draw
7 Rc6 draw
8 Rc8 draw
9 Rd7 draw
10 Re7 draw
11 Rc4 loss in 4 half-moves
12 Rc1 loss in 2 half-moves
13 Rc2 loss in 2 half-moves
14 Rc3 loss in 2 half-moves
15 Rf7 loss in 2 half-moves
16 Rg7 loss in 2 half-moves
17 Rh7 loss in 2 half-moves