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 Rc2 draw
3 Rc4 draw
4 Rc5 draw
5 Rcc1 draw
6 Re3 draw
7 Rg3 draw
8 Rh1 draw
9 Rh3 draw
10 Ra1 loss in 2 half-moves
11 Ra3 loss in 2 half-moves
12 Rb1 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rc6 loss in 2 half-moves
15 Rc7 loss in 2 half-moves
16 Rc8 loss in 2 half-moves
17 Rd1 loss in 2 half-moves
18 Rd3 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Rf3 loss in 2 half-moves
21 Rgc1 loss in 2 half-moves