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

EGTB: win in 4 half-moves

# move score
1 Ra1 win in 3 half-moves
2 Rd1 win in 3 half-moves
3 Rc1 win in 7 half-moves
4 Ka2 draw
5 Ka3 draw
6 Ka4 draw
7 Kb1 draw
8 Kb4 draw
9 Kbb2 draw
10 Kbc3 draw
11 Kc1 draw
12 Kc4 draw
13 Kcb2 draw
14 Kcc3 draw
15 Kd1 draw
16 Rb1 draw
17 Rh2 draw
18 Rh6 draw
19 Kd2 loss in 2 half-moves
20 Kd3 loss in 2 half-moves
21 Re1 loss in 2 half-moves
22 Rf1 loss in 2 half-moves
23 Rg1 loss in 2 half-moves
24 Rh3 loss in 2 half-moves
25 Rh4 loss in 2 half-moves
26 Rh5 loss in 2 half-moves
27 Rh7 loss in 2 half-moves
28 Rh8 loss in 2 half-moves