GRAPHOLOGY
LAB

Browse Graphology Lab

Browse the topics below or search by feature, letter or name.

FAMOUS SIGNATURE COMPARISON

Roger Federer vs Rafael Nadal

Compare Roger Federer (Sport) and Rafael Nadal (Sport) side-by-side across 9 geometric dimensions: grand slam tennis rivals & european cursive precision.

Roger Federer signature specimenVSRafael Nadal signature specimen
Roger Federer (+40° slant, 0 loops) vs Rafael Nadal (+11° slant, 1 loops)
WRITE OR UPLOAD YOUR SIGNATURE DIRECTLY BELOW

Your signature bank is empty. Draw your signature directly in the blank pad below and click Submit & Compare Signature — or click + Draw New Blank anytime to add and compare multiple signature patterns.

Popular comparisons:Browse all 50 pregenerated comparisons →
WORKSPACE SIGNATURE

Your analyzed signature

Workspace analyzed specimen

Signature A specimen
Slant
0°
Capital
1.0×
Loops
0
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FAMOUS AUTOGRAPH

John Hancock

Historical figure

Signature B specimen
Slant
0°
Capital
1.0×
Loops
0
View full autograph profile →
--%SHAPE SIMILARITY

Structural Alignment

Comparing geometric features…

9-Point Geometric Feature Breakdown

Comparing slant, baseline trajectory, capital emphasis, proportions, and rhythm:

Feature dimensionSignature ASignature BDifference / Alignment

Closest famous signatures to Signature A

Other autographs from our collection that share similar geometric dimensions:

SIDE-BY-SIDE OBSERVATIONS

Key differences between Roger Federer and Rafael Nadal’s signatures

Roger Federer’s autograph measures +40° in slant with a −5.2° baseline, 0.95× opening capital ratio, and 0 enclosed loops, whereas Rafael Nadal’s autograph records a +11° slant, −4.3° baseline, 0.75× opening capital ratio, and 1 enclosed loops.

Inspect the full individual profiles for Roger Federer’s signature and Rafael Nadal’s signature, or browse all 50 pregenerated signature comparisons.

REFERENCE GUIDES

Signature analysis guides

Signature meanings chartGraphological interpretation of signature strokes, underlines, and slants.Signature versus normal handwritingHow public signature persona contrasts with spontaneous handwriting.Famous signature specimensDirectory of 328 historical and celebrity signatures with measurements.All caps and mixed caseUpper-case letterforms, introductory capitals, and personal emphasis.Upper and lower loopsUpper and lower stroke loops, enclosed spaces, and emotional breadth.Famous handwriting examplesCase studies in historical handwriting analysis and specimen comparisons.