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 K5b5 win in 3 half-moves
3 Rb1 win in 3 half-moves
4 K4b5 win in 5 half-moves
5 K5b4 win in 5 half-moves
6 Kb3 win in 5 half-moves
7 Kb6 win in 5 half-moves
8 Ka3 draw
9 Ka6 draw
10 Ra1 draw
11 Rc2 draw
12 Rc3 draw
13 Rc7 draw
14 Rc8 draw
15 Rd1 draw
16 Re1 draw
17 Rc4 loss in 2 half-moves
18 Rc5 loss in 2 half-moves
19 Rc6 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rh1 loss in 2 half-moves