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

EGTB: win in 4 half-moves

# move score
1 Ra7 win in 3 half-moves
2 Rb7 win in 3 half-moves
3 Re1 win in 7 half-moves
4 Re2 win in 7 half-moves
5 Kb7 draw
6 Kb8 draw
7 Kc7 draw
8 Kd7 draw
9 Kd8 draw
10 Ra3 draw
11 Ra8 draw
12 Raa1 draw
13 Rab2 draw
14 Rb3 draw
15 Rb8 draw
16 Rba1 draw
17 Rbb2 draw
18 Rc1 draw
19 Rc2 draw
20 Rd1 draw
21 Rd2 draw
22 Ra4 loss in 2 half-moves
23 Ra5 loss in 2 half-moves
24 Ra6 loss in 2 half-moves
25 Rb4 loss in 2 half-moves
26 Rb5 loss in 2 half-moves
27 Rb6 loss in 2 half-moves
28 Rf1 loss in 2 half-moves
29 Rf2 loss in 2 half-moves
30 Rg1 loss in 2 half-moves
31 Rg2 loss in 2 half-moves
32 Rh1 loss in 2 half-moves
33 Rh2 loss in 2 half-moves