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

EGTB: win in 6 half-moves

# move score
1 R1a3 win in 5 half-moves
2 R1a5 win in 5 half-moves
3 R6a5 win in 7 half-moves
4 Rc6 win in 25 half-moves
5 R1a4 draw
6 R6a4 draw
7 Ra7 draw
8 Ra8 draw
9 Re6 draw
10 R6a3 loss in 4 half-moves
11 Na3 loss in 2 half-moves
12 Nc3 loss in 2 half-moves
13 Nd2 loss in 2 half-moves
14 R1a2 loss in 2 half-moves
15 R6a2 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rd6 loss in 2 half-moves
18 Rf6 loss in 2 half-moves
19 Rg6 loss in 2 half-moves
20 Rh6 loss in 2 half-moves