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

EGTB: win in 4 half-moves

# move score
1 K5b6 win in 3 half-moves
2 K7b6 win in 3 half-moves
3 Kb5 win in 5 half-moves
4 Kb7 win in 5 half-moves
5 Rb1 win in 5 half-moves
6 Rc7 win in 5 half-moves
7 Rc8 win in 5 half-moves
8 K5a6 draw
9 K7a6 draw
10 Ka4 draw
11 Ka8 draw
12 Kb4 draw
13 Kb8 draw
14 Ra1 draw
15 Rc2 draw
16 Rc6 draw
17 Rd1 draw
18 Re1 draw
19 Rc3 loss in 2 half-moves
20 Rc4 loss in 2 half-moves
21 Rc5 loss in 2 half-moves
22 Rf1 loss in 2 half-moves
23 Rg1 loss in 2 half-moves
24 Rh1 loss in 2 half-moves