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

EGTB: win in 4 half-moves

# move score
1 K5b5 win in 3 half-moves
2 K6b6 win in 3 half-moves
3 Kb4 win in 3 half-moves
4 Rb1 win in 3 half-moves
5 K5b6 win in 5 half-moves
6 K6b5 draw
7 Ka4 draw
8 Ka7 draw
9 Kb7 draw
10 Ra1 draw
11 Rc2 draw
12 Rc3 draw
13 Rc8 draw
14 Rd1 draw
15 Re1 draw
16 Rc4 loss in 2 half-moves
17 Rc5 loss in 2 half-moves
18 Rc6 loss in 2 half-moves
19 Rc7 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