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 Ka2 draw
3 Ka3 draw
4 Kb1 draw
5 Kb3 draw
6 Kc1 draw
7 Kc2 draw
8 Kc3 draw
9 R1a2 draw
10 R1a3 draw
11 R4a2 draw
12 Ra5 draw
13 Rb1 draw
14 Rc1 draw
15 Rf1 draw
16 Rg1 draw
17 Rh1 draw
18 R4a3 loss in 2 half-moves
19 Ra6 loss in 2 half-moves
20 Ra7 loss in 2 half-moves
21 Ra8 loss in 2 half-moves
22 Rb4 loss in 2 half-moves
23 Rc4 loss in 2 half-moves
24 Rd1 loss in 2 half-moves
25 Rd4 loss in 2 half-moves
26 Re4 loss in 2 half-moves
27 Rf4 loss in 2 half-moves
28 Rg4 loss in 2 half-moves
29 Rh4 loss in 2 half-moves