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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Rb1 win in 3 half-moves
4 Ra1 win in 5 half-moves
5 Ka5 draw
6 Ka7 draw
7 Rc2 draw
8 Rc3 draw
9 Rd1 draw
10 Kb7 loss in 2 half-moves
11 Rc4 loss in 2 half-moves
12 Rc5 loss in 2 half-moves
13 Rc6 loss in 2 half-moves
14 Rc7 loss in 2 half-moves
15 Rc8 loss in 2 half-moves
16 Re1 loss in 2 half-moves
17 Rf1 loss in 2 half-moves
18 Rg1 loss in 2 half-moves
19 Rh1 loss in 2 half-moves