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

EGTB: win in 6 half-moves

# move score
1 Rc1 win in 5 half-moves
2 Rc5 draw
3 Rc6 draw
4 Rc7 draw
5 Rc8 draw
6 Rd4 draw
7 Rf4 draw
8 Rg4 draw
9 Rh4 draw
10 K1b1 loss in 2 half-moves
11 K1b2 loss in 2 half-moves
12 K2b1 loss in 2 half-moves
13 K2b2 loss in 2 half-moves
14 Ka3 loss in 2 half-moves
15 Kb3 loss in 2 half-moves
16 Ra4 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rc2 loss in 2 half-moves
19 Rc3 loss in 2 half-moves
20 Re4 loss in 2 half-moves