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

EGTB: win in 4 half-moves

# move score
1 R5a3 win in 3 half-moves
2 Ra7 win in 5 half-moves
3 Ra8 win in 5 half-moves
4 R5a2 draw
5 R5a4 draw
6 Rd1 draw
7 Ka6 loss in 2 half-moves
8 Kb4 loss in 2 half-moves
9 Kb6 loss in 2 half-moves
10 Kc5 loss in 2 half-moves
11 Kc6 loss in 2 half-moves
12 R1a2 loss in 2 half-moves
13 R1a3 loss in 2 half-moves
14 Ra6 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rc1 loss in 2 half-moves
17 Re1 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rg1 loss in 2 half-moves
20 Rh1 loss in 2 half-moves
21 Ka4 loss in 1 half-moves
22 Kc4 loss in 1 half-moves
23 R1a4 loss in 1 half-moves