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

EGTB: win in 4 half-moves

# move score
1 K4b4 win in 3 half-moves
2 K4b5 win in 3 half-moves
3 K5b4 win in 3 half-moves
4 K5b5 win in 3 half-moves
5 Kb3 win in 3 half-moves
6 Kb6 win in 3 half-moves
7 Rb4 win in 3 half-moves
8 Rc3 win in 7 half-moves
9 Ka3 draw
10 Ka6 draw
11 Rc1 draw
12 Rc2 draw
13 Rc8 draw
14 Rd4 draw
15 Re4 draw
16 Rc5 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Rc7 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rh4 loss in 2 half-moves