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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Ka7 win in 5 half-moves
3 K5b5 draw
4 K5b6 draw
5 K6b5 draw
6 K6b6 draw
7 Ka4 draw
8 Kb4 draw
9 Rc1 draw
10 Rd1 draw
11 Re1 draw
12 Rf1 draw
13 Kb7 loss in 2 half-moves
14 Ra2 loss in 2 half-moves
15 Ra3 loss in 2 half-moves
16 Ra4 loss in 2 half-moves
17 Rg1 loss in 2 half-moves
18 Rh1 loss in 2 half-moves