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

EGTB: win in 4 half-moves

# move score
1 Re1 win in 3 half-moves
2 Kb6 draw
3 Kb7 draw
4 Kb8 draw
5 Kc6 draw
6 Kc8 draw
7 Kd6 draw
8 Kd7 draw
9 Kd8 draw
10 R1a2 draw
11 R4a2 draw
12 Ra7 draw
13 Ra8 draw
14 Rb1 draw
15 Rb4 draw
16 Rc1 draw
17 Rc4 draw
18 Rd1 draw
19 Rd4 draw
20 Re4 draw
21 Rf4 draw
22 R1a3 loss in 2 half-moves
23 R4a3 loss in 2 half-moves
24 Ra5 loss in 2 half-moves
25 Ra6 loss in 2 half-moves
26 Rf1 loss in 2 half-moves
27 Rg1 loss in 2 half-moves
28 Rg4 loss in 2 half-moves
29 Rh1 loss in 2 half-moves
30 Rh4 loss in 2 half-moves