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

EGTB: win in 4 half-moves

# move score
1 Ra3 win in 3 half-moves
2 Rd3 win in 3 half-moves
3 Rb3 win in 7 half-moves
4 Ka3 draw
5 Ka4 draw
6 Ka5 draw
7 Kb1 draw
8 Kb2 draw
9 Kb5 draw
10 Kbb3 draw
11 Kbc3 draw
12 Kc1 draw
13 Kc4 draw
14 Kc5 draw
15 Kcb3 draw
16 Kcc3 draw
17 Kd1 draw
18 Kd2 draw
19 Rc3 draw
20 Rh1 draw
21 Rh2 draw
22 Rh7 draw
23 Kd3 loss in 2 half-moves
24 Re3 loss in 2 half-moves
25 Rf3 loss in 2 half-moves
26 Rg3 loss in 2 half-moves
27 Rh4 loss in 2 half-moves
28 Rh5 loss in 2 half-moves
29 Rh6 loss in 2 half-moves
30 Rh8 loss in 2 half-moves