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 Kb1 draw
3 Kc1 draw
4 Kd1 draw
5 Kd2 draw
6 R1a2 draw
7 Ra5 draw
8 Ra6 draw
9 Ra8 draw
10 Rb3 draw
11 Rc1 draw
12 Rc3 draw
13 Rd3 draw
14 Re3 draw
15 Rf3 draw
16 Rg1 draw
17 Rg3 draw
18 Rh3 draw
19 Kb3 loss in 4 half-moves
20 Kc3 loss in 4 half-moves
21 Kd3 loss in 4 half-moves
22 R3a2 loss in 4 half-moves
23 Kb2 loss in 2 half-moves
24 Ra4 loss in 2 half-moves
25 Rb1 loss in 2 half-moves
26 Rd1 loss in 2 half-moves
27 Re1 loss in 2 half-moves
28 Rf1 loss in 2 half-moves
29 Rh1 loss in 2 half-moves